diff --git a/database/factories/DelegationFactory.php b/database/factories/DelegationFactory.php
index 916de97fb..05688f384 100644
--- a/database/factories/DelegationFactory.php
+++ b/database/factories/DelegationFactory.php
@@ -64,14 +64,15 @@ $factory->state(\ProcessMaker\Model\Delegation::class, 'foreign_keys', function
     $initDate = $faker->dateTimeInInterval($delegateDate, '+30 minutes');
     $riskDate = $faker->dateTimeInInterval($initDate, '+1 day');
     $taskDueDate = $faker->dateTimeInInterval($riskDate, '+2 day');
+    $index = $faker->unique()->numberBetween(2000);
 
     // Return with default values
     return [
         'DELEGATION_ID' => $faker->unique()->numberBetween(5000),
         'APP_UID' => $application->APP_UID,
-        'DEL_INDEX' => $faker->unique()->numberBetween(2000),
+        'DEL_INDEX' => $index,
         'APP_NUMBER' => $application->APP_NUMBER,
-        'DEL_PREVIOUS' => 0,
+        'DEL_PREVIOUS' => $index - 1,
         'PRO_UID' => $process->PRO_UID,
         'TAS_UID' => $task->TAS_UID,
         'USR_UID' => $user->USR_UID,
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/InboxTest.php b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/InboxTest.php
index 6cf613c60..13030d165 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/InboxTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/InboxTest.php
@@ -44,6 +44,7 @@ class InboxTest extends TestCase
     {
         $delegation = factory(Delegation::class)->states('foreign_keys')->create([
             'DEL_THREAD_STATUS' => 'OPEN',
+            'DEL_PREVIOUS' => 1,
             'DEL_INDEX' => 2,
         ]);
 
@@ -118,6 +119,7 @@ class InboxTest extends TestCase
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setProcessId()
      * @test
      */
     public function it_filter_by_process()
@@ -126,9 +128,11 @@ class InboxTest extends TestCase
         $cases = $this->createInbox();
         // Create new Inbox object
         $inbox = new Inbox();
+        // Apply filters
         $inbox->setUserId($cases->USR_ID);
         $inbox->setProcessId($cases->PRO_ID);
         $inbox->setOrderByColumn('APP_NUMBER');
+        // Call to getData method
         $res = $inbox->getData();
         $this->assertNotEmpty($res);
     }
@@ -139,6 +143,7 @@ class InboxTest extends TestCase
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setCaseNumber()
      * @test
      */
     public function it_filter_by_app_number()
@@ -147,9 +152,11 @@ class InboxTest extends TestCase
         $cases = $this->createInbox();
         // Create new Inbox object
         $inbox = new Inbox();
+        // Apply filters
         $inbox->setUserId($cases->USR_ID);
         $inbox->setCaseNumber($cases->APP_NUMBER);
         $inbox->setOrderByColumn('APP_NUMBER');
+        // Call to getData method
         $res = $inbox->getData();
         $this->assertNotEmpty($res);
     }
@@ -160,6 +167,7 @@ class InboxTest extends TestCase
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setCasesNumbers()
      * @test
      */
     public function it_filter_by_specific_cases()
@@ -168,9 +176,11 @@ class InboxTest extends TestCase
         $cases = $this->createInbox();
         // Create new Inbox object
         $inbox = new Inbox();
+        // Apply filters
         $inbox->setUserId($cases->USR_ID);
         $inbox->setCasesNumbers([$cases->APP_NUMBER]);
         $inbox->setOrderByColumn('APP_NUMBER');
+        // Call to getData method
         $res = $inbox->getData();
         $this->assertNotEmpty($res);
     }
@@ -181,6 +191,8 @@ class InboxTest extends TestCase
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setCasesNumbers()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setRangeCasesFromTo()
      * @test
      */
     public function it_filter_by_range_cases()
@@ -189,10 +201,13 @@ class InboxTest extends TestCase
         $cases = $this->createInbox();
         // Create new Inbox object
         $inbox = new Inbox();
+        // Apply filters
         $inbox->setUserId($cases->USR_ID);
         $rangeOfCases = $cases->APP_NUMBER . "-" . $cases->APP_NUMBER;
+        $inbox->setCasesNumbers([$cases->APP_NUMBER]);
         $inbox->setRangeCasesFromTo([$rangeOfCases]);
         $inbox->setOrderByColumn('APP_NUMBER');
+        // Call to getData method
         $res = $inbox->getData();
         $this->assertNotEmpty($res);
     }
@@ -212,18 +227,46 @@ class InboxTest extends TestCase
         $cases = $this->createInbox();
         // Create new Inbox object
         $inbox = new Inbox();
+        // Apply filters
         $inbox->setUserId($cases->USR_ID);
         $inbox->setTaskId($cases->TAS_ID);
+        // Call to getData method
         $res = $inbox->getData();
         $this->assertNotEmpty($res);
     }
 
+    /**
+     * It tests the getData method with setDelegateFrom and setDelegateTo filter
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setDelegateFrom()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setDelegateTo()
+     * @test
+     */
+    public function it_filter_by_delegate_from_to()
+    {
+        // Create factories related to the to_do cases
+        $cases = $this->createInbox();
+        // Create new Inbox object
+        $inbox = new Inbox();
+        // Apply filters
+        $inbox->setUserId($cases->USR_ID);
+        $inbox->setDelegateFrom($cases->DEL_DELEGATE_DATE->format("Y-m-d"));
+        $inbox->setDelegateTo($cases->DEL_DELEGATE_DATE->format("Y-m-d"));
+        // Call to getData method
+        $res = $inbox->getData();
+        $this->assertEmpty($res);
+    }
+
     /**
      * It tests the getData method with case title filter
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setCaseTitle()
      * @test
      */
     public function it_filter_by_thread_title()
@@ -245,12 +288,44 @@ class InboxTest extends TestCase
         $this->assertNotEmpty($result);
     }
 
+    /**
+     * It tests the getData method with send by filter
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setSendBy()
+     * @test
+     */
+    public function it_filter_send_by()
+    {
+        // Create factories related to the to_do cases
+        $cases = $this->createInbox();
+        // Create the previous thread with the same user
+        $delegation = factory(Delegation::class)->states('foreign_keys')->create([
+            'APP_NUMBER' => $cases->APP_NUMBER,
+            'APP_UID' => $cases->APP_UID,
+            'USR_ID' => $cases->USR_ID,
+            'DEL_THREAD_STATUS' => 'CLOSED',
+            'DEL_INDEX' => 1,
+        ]);
+        // Create new Inbox object
+        $inbox = new Inbox();
+        // Apply filters
+        $inbox->setUserId($cases->USR_ID);
+        $inbox->setSendBy($cases->USR_ID);
+        // Call to getData method
+        $res = $inbox->getData();
+        $this->assertNotEmpty($res);
+    }
+
     /**
      * It tests the getData method using order by column
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getData()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Inbox::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Inbox::setOrderByColumn()
      * @test
      */
     public function it_order_by_column()
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/PausedTest.php b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/PausedTest.php
index 80456429e..c73dee38d 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/PausedTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/PausedTest.php
@@ -201,7 +201,7 @@ class PausedTest extends TestCase
      * It tests the getData method without filters
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
-     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
      * @covers \ProcessMaker\Model\Delegation::scopePaused()
      * @test
      */
@@ -225,7 +225,7 @@ class PausedTest extends TestCase
      * It tests the getData method with case number filter
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
-     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
      * @test
      */
@@ -251,7 +251,7 @@ class PausedTest extends TestCase
      * It tests the getData method with case number filter
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
-     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
      * @test
      */
@@ -277,7 +277,7 @@ class PausedTest extends TestCase
      * It tests the getData method with taskId filter
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
-     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
      * @test
      */
@@ -303,7 +303,7 @@ class PausedTest extends TestCase
      * It tests the getData method with processId filter
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
-     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
      * @test
      */
@@ -328,7 +328,7 @@ class PausedTest extends TestCase
      * It tests the getData method with case title filter
      *
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
-     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
      * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
      * @test
      */
@@ -348,6 +348,51 @@ class PausedTest extends TestCase
         $this->assertNotEmpty($res);
     }
 
+    /**
+     * It tests the getData method with setDelegateFrom and setDelegateTo filter
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
+     * @test
+     */
+    public function it_filter_by_delegate_from_to()
+    {
+        // Create factories related to the paused cases
+        $cases = $this->createPaused();
+        // Create new Paused object
+        $paused = new Paused();
+        $paused->setUserUid($cases->USR_UID);
+        $paused->setUserId($cases->USR_ID);
+        $paused->setDelegateFrom($cases->DEL_DELEGATE_DATE->format("Y-m-d"));
+        $paused->setDelegateTo($cases->DEL_DELEGATE_DATE->format("Y-m-d"));
+        // Get data
+        $res = $paused->getData();
+        $this->assertEmpty($res);
+    }
+
+
+    /**
+     * It tests the getData method with send by filter
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::getColumnsView()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::filters()
+     * @covers \ProcessMaker\BusinessModel\Cases\Paused::setSendBy()
+     * @test
+     */
+    public function it_filter_send_by()
+    {
+        // Create factories related to the to_do cases
+        $cases = $this->createPaused();
+        // Create new Paused object
+        $paused = new Paused();
+        $paused->setUserId($cases->USR_ID);
+        $paused->setSendBy($cases->USR_ID);
+        $res = $paused->getData();
+        $this->assertNotEmpty($res);
+    }
+
     /**
      * It tests the getCounter() method
      *
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/UnassignedTest.php b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/UnassignedTest.php
index 00c7f2720..e90207e3c 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/UnassignedTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/UnassignedTest.php
@@ -211,6 +211,7 @@ class UnassignedTest extends TestCase
         $cases = $this->createSelfServiceUserOrGroup();
         //Review the count self-service
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($cases['taskUser']->USR_UID);
         $unassigned->setUserId($cases['delegation']->USR_ID);
         $result = $unassigned->getCounter();
@@ -229,6 +230,7 @@ class UnassignedTest extends TestCase
         $cases = $this->createSelfServiceByVariable();
         //Review the count self-service
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($cases['user']->USR_UID);
         $unassigned->setUserId($cases['delegation']->USR_ID);
         $result = $unassigned->getCounter();
@@ -247,6 +249,7 @@ class UnassignedTest extends TestCase
         $cases = $this->createSelfServiceUserOrGroup(2);
         //Review the count self-service
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($cases['taskUser']->USR_UID);
         $unassigned->setUserId($cases['delegation']->USR_ID);
         $result = $unassigned->getCounter();
@@ -265,6 +268,7 @@ class UnassignedTest extends TestCase
         $cases = $this->createSelfServiceByVariable(2, false);
         //Review the count self-service
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($cases['user']->USR_UID);
         $unassigned->setUserId($cases['delegation']->USR_ID);
         $result = $unassigned->getCounter();
@@ -284,10 +288,12 @@ class UnassignedTest extends TestCase
         $casesGroup = $this->createSelfServiceUserOrGroup(2);
         //Review the count self-service
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($casesUser['taskUser']->USR_UID);
         $unassigned->setUserId($casesUser['delegation']->USR_ID);
         $result = $unassigned->getCounter();
         $this->assertNotEmpty($result);
+        // Apply filters
         $unassigned->setUserUid($casesGroup['taskUser']->USR_UID);
         $unassigned->setUserId($casesGroup['delegation']->USR_ID);
         $result = $unassigned->getCounter();
@@ -305,13 +311,15 @@ class UnassignedTest extends TestCase
     {
         $casesUser = $this->createSelfServiceByVariable();
         $casesGroup = $this->createSelfServiceByVariable(2, false);
-        //Review the count self-service
+        // Review the count self-service
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($casesUser['user']->USR_UID);
         $unassigned->setUserId($casesUser['delegation']->USR_ID);
         $result = $unassigned->getCounter();
         $this->assertNotEmpty($result);
         $unassigned = new Unassigned;
+        // Apply filters
         $unassigned->setUserUid($casesGroup['user']->USR_UID);
         $unassigned->setUserId($casesGroup['delegation']->USR_ID);
         $result = $unassigned->getCounter();
@@ -331,9 +339,34 @@ class UnassignedTest extends TestCase
         $cases = $this->createSelfServiceUserOrGroup();
         // Create new object
         $unassigned = new Unassigned();
-        // Set the user UID
+        // Apply filters
         $unassigned->setUserUid($cases['taskUser']->USR_UID);
         $unassigned->setUserId($cases['delegation']->USR_ID);
+        // Set OrderByColumn value
+        $unassigned->setOrderByColumn('APP_NUMBER');
+        // Call to getData method
+        $res = $unassigned->getData();
+        // This assert that the expected numbers of results are returned
+        $this->assertNotEmpty($res);
+    }
+
+    /**
+     * This ensures get data from self-service-user-assigned with filter setCasesNumbers
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::filters()
+     * @test
+     */
+    public function it_filter_by_case_numbers()
+    {
+        // Create factories related to the unassigned cases
+        $cases = $this->createSelfServiceUserOrGroup();
+        // Create new object
+        $unassigned = new Unassigned();
+        // Apply filters
+        $unassigned->setUserUid($cases['taskUser']->USR_UID);
+        $unassigned->setUserId($cases['delegation']->USR_ID);
+        $unassigned->setCasesNumbers([$cases['delegation']->APP_NUMBER]);
         // Set OrderBYColumn value
         $unassigned->setOrderByColumn('APP_NUMBER');
         // Call to getData method
@@ -342,6 +375,54 @@ class UnassignedTest extends TestCase
         $this->assertNotEmpty($res);
     }
 
+    /**
+     * This ensures get data from self-service-user-assigned with filter setRangeCasesFromTo
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::filters()
+     * @test
+     */
+    public function it_filter_by_range_cases()
+    {
+        // Create factories related to the unassigned cases
+        $cases = $this->createSelfServiceUserOrGroup();
+        // Create new object
+        $unassigned = new Unassigned();
+        // Apply filters
+        $unassigned->setUserUid($cases['taskUser']->USR_UID);
+        $unassigned->setUserId($cases['delegation']->USR_ID);
+        $rangeOfCases = $cases['delegation']->APP_NUMBER . "-" . $cases['delegation']->APP_NUMBER;
+        $unassigned->setRangeCasesFromTo([$rangeOfCases]);
+        // Call to getData method
+        $res = $unassigned->getData();
+        // This assert that the expected numbers of results are returned
+        $this->assertNotEmpty($res);
+    }
+
+    /**
+     * This ensures get data from self-service-user-assigned with setDelegateFrom and setDelegateTo filter
+     *
+     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::getData()
+     * @covers \ProcessMaker\BusinessModel\Cases\Unassigned::filters()
+     * @test
+     */
+    public function it_filter_by_delegate_from_to()
+    {
+        // Create factories related to the unassigned cases
+        $cases = $this->createSelfServiceUserOrGroup();
+        // Create new object
+        $unassigned = new Unassigned();
+        // Apply filters
+        $unassigned->setUserUid($cases['taskUser']->USR_UID);
+        $unassigned->setUserId($cases['delegation']->USR_ID);
+        $unassigned->setDelegateFrom(date('Y-m-d'));
+        $unassigned->setDelegateTo(date('Y-m-d'));
+        // Call to getData method
+        $res = $unassigned->getData();
+        // This assert that the expected numbers of results are returned
+        $this->assertEmpty($res);
+    }
+
     /**
      * It tests the getData method with case title filter
      *
@@ -361,9 +442,9 @@ class UnassignedTest extends TestCase
         DB::commit();
         // Create new Unassigned object
         $unassigned = new Unassigned();
+        // Apply filters
         $unassigned->setUserUid($usrUid);
         $unassigned->setUserId($usrId);
-        // Set the title
         $unassigned->setCaseTitle($title);
         // Get the data
         $res = $unassigned->getData();
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/Model/TaskTest.php b/tests/unit/workflow/engine/src/ProcessMaker/Model/TaskTest.php
index a9b6988a6..14187953b 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/Model/TaskTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/Model/TaskTest.php
@@ -34,28 +34,28 @@ class TaskTest extends TestCase
         ]);
         $taskInstance = new Task();
         $title = $taskInstance->title($task->TAS_ID);
-        $this->assertEquals($title, G::LoadTranslation('ID_INTERMEDIATE_THROW_EMAIL_EVENT'));
+        $this->assertEquals($title['title'], G::LoadTranslation('ID_INTERMEDIATE_THROW_EMAIL_EVENT'));
         // Intermediate throw message event
         $task = factory(Task::class)->create([
             'TAS_TITLE' => 'INTERMEDIATE-THROW-MESSAGE-EVENT'
         ]);
         $taskInstance = new Task();
         $title = $taskInstance->title($task->TAS_ID);
-        $this->assertEquals($title, G::LoadTranslation('ID_INTERMEDIATE_THROW_MESSAGE_EVENT'));
+        $this->assertEquals($title['title'], G::LoadTranslation('ID_INTERMEDIATE_THROW_MESSAGE_EVENT'));
         // Intermediate catch message event
         $task = factory(Task::class)->create([
             'TAS_TITLE' => 'INTERMEDIATE-CATCH-MESSAGE-EVENT'
         ]);
         $taskInstance = new Task();
         $title = $taskInstance->title($task->TAS_ID);
-        $this->assertEquals($title, G::LoadTranslation('ID_INTERMEDIATE_CATCH_MESSAGE_EVENT'));
+        $this->assertEquals($title['title'], G::LoadTranslation('ID_INTERMEDIATE_CATCH_MESSAGE_EVENT'));
         // Intermediate timer event
         $task = factory(Task::class)->create([
             'TAS_TITLE' => 'INTERMEDIATE-CATCH-TIMER-EVENT'
         ]);
         $taskInstance = new Task();
         $title = $taskInstance->title($task->TAS_ID);
-        $this->assertEquals($title, G::LoadTranslation('ID_INTERMEDIATE_CATCH_TIMER_EVENT'));
+        $this->assertEquals($title['title'], G::LoadTranslation('ID_INTERMEDIATE_CATCH_TIMER_EVENT'));
     }
 
     /**
diff --git a/workflow/engine/content/translations/english/processmaker.en.po b/workflow/engine/content/translations/english/processmaker.en.po
index 5b585e1ff..3eaf76a6c 100755
--- a/workflow/engine/content/translations/english/processmaker.en.po
+++ b/workflow/engine/content/translations/english/processmaker.en.po
@@ -24383,6 +24383,12 @@ msgstr "Screen Color Icon"
 msgid "Script Task"
 msgstr "Script Task"
 
+# TRANSLATION
+# LABEL/ID_SCRIPT_TASK_UNTITLED
+#: LABEL/ID_SCRIPT_TASK_UNTITLED
+msgid "Untitled - Script Task"
+msgstr "Untitled - Script Task"
+
 # TRANSLATION
 # LABEL/ID_SCRIPT_TASK_ACTIVITY_ALREADY_REGISTERED
 #: LABEL/ID_SCRIPT_TASK_ACTIVITY_ALREADY_REGISTERED
@@ -24965,6 +24971,18 @@ msgstr "Server reported"
 msgid "Service"
 msgstr "Service"
 
+# TRANSLATION
+# LABEL/ID_SERVICE_TASK
+#: LABEL/ID_SERVICE_TASK
+msgid "Service Task"
+msgstr "Service Task"
+
+# TRANSLATION
+# LABEL/ID_SERVICE_TASK_UNTITLED
+#: LABEL/ID_SERVICE_TASKUNTITLED
+msgid "Untitled - Service Task"
+msgstr "Untitled - Service Task"
+
 # TRANSLATION
 # LABEL/ID_SESSION
 #: LABEL/ID_SESSION
diff --git a/workflow/engine/data/mysql/insert.sql b/workflow/engine/data/mysql/insert.sql
index 2c6418d3b..23883a55c 100755
--- a/workflow/engine/data/mysql/insert.sql
+++ b/workflow/engine/data/mysql/insert.sql
@@ -60988,6 +60988,7 @@ INSERT INTO TRANSLATION (TRN_CATEGORY,TRN_ID,TRN_LANG,TRN_VALUE,TRN_UPDATE_DATE
 ( 'LABEL','ID_SCHEMA','en','Schema','2014-01-15') ,
 ( 'LABEL','ID_SCREEN_COLOR_ICON','en','Screen Color Icon','2021-08-10') ,
 ( 'LABEL','ID_SCRIPT_TASK','en','Script Task','2015-10-19') ,
+( 'LABEL','ID_SCRIPT_TASK_UNTITLED','en','Untitled - Script Task','2021-11-23') ,
 ( 'LABEL','ID_SCRIPT_TASK_ACTIVITY_ALREADY_REGISTERED','en','The Script-Task with {0}: "{1}" already registered','2016-08-01') ,
 ( 'LABEL','ID_SEARCH','en','Search','2014-01-15') ,
 ( 'LABEL','ID_SEARCHING','en','Searching...','2019-05-03') ,
@@ -61090,6 +61091,8 @@ INSERT INTO TRANSLATION (TRN_CATEGORY,TRN_ID,TRN_LANG,TRN_VALUE,TRN_UPDATE_DATE
 ( 'LABEL','ID_SERVER_PROTOCOL','en','Server Protocol','2014-01-15') ,
 ( 'LABEL','ID_SERVER_REPORTED','en','Server reported','2014-01-15') ,
 ( 'LABEL','ID_SERVICE','en','Service','2014-01-15') ,
+( 'LABEL','ID_SERVICE_TASK','en','Service','2021-11-23') ,
+( 'LABEL','ID_SERVICE_TASK_UNTITLED','en','Service','2021-11-23') ,
 ( 'LABEL','ID_SESSION','en','Session','2014-01-15') ,
 ( 'LABEL','ID_SESSION_ACTIVE','en','Session active','2014-01-15') ,
 ( 'LABEL','ID_SESSION_DIRECTORY','en','Session directory','2015-11-05') ,
diff --git a/workflow/engine/methods/cases/cases_CatchSelfService.php b/workflow/engine/methods/cases/cases_CatchSelfService.php
index 9c104017b..fdcfaf979 100644
--- a/workflow/engine/methods/cases/cases_CatchSelfService.php
+++ b/workflow/engine/methods/cases/cases_CatchSelfService.php
@@ -78,8 +78,7 @@ if (
 
     // Get the label of previous task
     if (!empty($fieldsDelegation['TAS_ID'])) {
-        $taskInstance = new ModelTask();
-        $fieldsCase['PREVIOUS_TASK'] = $taskInstance->title($fieldsDelegation['TAS_ID']);
+        $fieldsCase['PREVIOUS_TASK'] = ModelTask::title($fieldsDelegation['TAS_ID'])['title'];
     }
 
     // To enable information (dynaforms, steps) before claim a case
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php
index a24d07631..42e9e6720 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php
@@ -6,6 +6,7 @@ use G;
 use ProcessMaker\Model\Application;
 use ProcessMaker\Model\CaseList;
 use ProcessMaker\Model\Delegation;
+use ProcessMaker\Model\Task;
 use ProcessMaker\Model\User;
 
 class Draft extends AbstractCases
@@ -127,10 +128,25 @@ class Draft extends AbstractCases
             $item['DEL_DELEGATE_DATE_LABEL'] = applyMaskDateEnvironment($item['DEL_DELEGATE_DATE']);
             // Get the send by related to the previous index
             $previousThread = Delegation::getThreadInfo($item['APP_NUMBER'], $item['DEL_PREVIOUS']);
-            $userInfo = !empty($previousThread) ? User::getInformation($previousThread['USR_ID']) : [];
+            $userInfo = [];
+            $dummyInfo = [];
+            if (!empty($previousThread)) {
+                // When the task has an user
+                $userInfo = ($previousThread['USR_ID'] !== 0) ? User::getInformation($previousThread['USR_ID']) : [];
+                // When the task does not have users refers to dummy task
+                $taskInfo = ($previousThread['USR_ID'] === 0) ? Task::title($previousThread['TAS_ID']) : [];
+                if (!empty($taskInfo)) {
+                    $dummyInfo = [
+                        'task_id' => $previousThread['TAS_ID'],
+                        'name' => $taskInfo['title'],
+                        'type' => $taskInfo['type']
+                    ];
+                }
+            }
             $result = [];
             $result['del_previous'] = $item['DEL_PREVIOUS'];
             $result['user_tooltip'] = $userInfo;
+            $result['dummy_task'] = $dummyInfo;
             $item['SEND_BY_INFO'] = $result;
 
             return $item;
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php
index e35e1c752..3a7c95e64 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php
@@ -6,6 +6,7 @@ use G;
 use ProcessMaker\Model\Application;
 use ProcessMaker\Model\CaseList;
 use ProcessMaker\Model\Delegation;
+use ProcessMaker\Model\Task;
 use ProcessMaker\Model\User;
 
 class Inbox extends AbstractCases
@@ -81,7 +82,6 @@ class Inbox extends AbstractCases
         if (!empty($this->getCaseUid())) {
             $query->appUid($this->getCaseUid());
         }
-
         // Specific delegate date from
         if (!empty($this->getDelegateFrom())) {
             $query->delegateDateFrom($this->getDelegateFrom());
@@ -90,8 +90,7 @@ class Inbox extends AbstractCases
         if (!empty($this->getDelegateTo())) {
             $query->delegateDateTo($this->getDelegateTo());
         }
-
-        // Specific usrId represented by sendBy. 
+        // Specific usrId represented by sendBy
         if (!empty($this->getSendBy())) {
             $query->sendBy($this->getSendBy());
         }
@@ -113,7 +112,7 @@ class Inbox extends AbstractCases
         // Join with users
         $query->joinUser();
         // Join with task
-        $query->JoinTask();
+        $query->joinTask();
         // Join with application for add the initial scope for TO_DO cases
         $query->inbox($this->getUserId());
         /** Apply filters */
@@ -147,10 +146,25 @@ class Inbox extends AbstractCases
             $item['DEL_DELEGATE_DATE_LABEL'] = applyMaskDateEnvironment($item['DEL_DELEGATE_DATE']);
             // Get the send by related to the previous index
             $previousThread = Delegation::getThreadInfo($item['APP_NUMBER'], $item['DEL_PREVIOUS']);
-            $userInfo = !empty($previousThread) ? User::getInformation($previousThread['USR_ID']) : [];
+            $userInfo = [];
+            $dummyInfo = [];
+            if (!empty($previousThread)) {
+                // When the task has an user
+                $userInfo = ($previousThread['USR_ID'] !== 0) ? User::getInformation($previousThread['USR_ID']) : [];
+                // When the task does not have users refers to dummy task
+                $taskInfo = ($previousThread['USR_ID'] === 0) ? Task::title($previousThread['TAS_ID']) : [];
+                if (!empty($taskInfo)) {
+                    $dummyInfo = [
+                        'task_id' => $previousThread['TAS_ID'],
+                        'name' => $taskInfo['title'],
+                        'type' => $taskInfo['type']
+                    ];
+                }
+            }
             $result = [];
             $result['del_previous'] = $item['DEL_PREVIOUS'];
             $result['user_tooltip'] = $userInfo;
+            $result['dummy_task'] = $dummyInfo;
             $item['SEND_BY_INFO'] = $result;
 
             return $item;
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php
index a9b74b53a..fe9219f79 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php
@@ -5,6 +5,7 @@ namespace ProcessMaker\BusinessModel\Cases;
 use G;
 use ProcessMaker\Model\CaseList;
 use ProcessMaker\Model\Delegation;
+use ProcessMaker\Model\Task;
 use ProcessMaker\Model\User;
 
 class Paused extends AbstractCases
@@ -80,7 +81,6 @@ class Paused extends AbstractCases
         if (!empty($this->getCaseUid())) {
             $query->appUid($this->getCaseUid());
         }
-
         // Specific delegate date from
         if (!empty($this->getDelegateFrom())) {
             $query->delegateDateFrom($this->getDelegateFrom());
@@ -89,8 +89,7 @@ class Paused extends AbstractCases
         if (!empty($this->getDelegateTo())) {
             $query->delegateDateTo($this->getDelegateTo());
         }
-
-        // Specific usrId represented by sendBy. 
+        // Specific usrId represented by sendBy
         if (!empty($this->getSendBy())) {
             $query->sendBy($this->getSendBy());
         }
@@ -109,7 +108,7 @@ class Paused extends AbstractCases
         // Join with process
         $query->joinProcess();
         // Join with task
-        $query->JoinTask();
+        $query->joinTask();
         // Scope that set the paused cases
         $query->paused($this->getUserId());
         /** Apply filters */
@@ -141,10 +140,25 @@ class Paused extends AbstractCases
             $item['DEL_DELEGATE_DATE_LABEL'] = applyMaskDateEnvironment($item['DEL_DELEGATE_DATE']);
             // Get the send by related to the previous index
             $previousThread = Delegation::getThreadInfo($item['APP_NUMBER'], $item['DEL_PREVIOUS']);
-            $userInfo = !empty($previousThread) ? User::getInformation($previousThread['USR_ID']) : [];
+            $userInfo = [];
+            $dummyInfo = [];
+            if (!empty($previousThread)) {
+                // When the task has an user
+                $userInfo = ($previousThread['USR_ID'] !== 0) ? User::getInformation($previousThread['USR_ID']) : [];
+                // When the task does not have users refers to dummy task
+                $taskInfo = ($previousThread['USR_ID'] === 0) ? Task::title($previousThread['TAS_ID']) : [];
+                if (!empty($taskInfo)) {
+                    $dummyInfo = [
+                        'task_id' => $previousThread['TAS_ID'],
+                        'name' => $taskInfo['title'],
+                        'type' => $taskInfo['type']
+                    ];
+                }
+            }
             $result = [];
             $result['del_previous'] = $item['DEL_PREVIOUS'];
             $result['user_tooltip'] = $userInfo;
+            $result['dummy_task'] = $dummyInfo;
             $item['SEND_BY_INFO'] = $result;
 
             return $item;
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php
index cd5e7b525..9bf328348 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php
@@ -6,6 +6,7 @@ use G;
 use ProcessMaker\Model\Application;
 use ProcessMaker\Model\CaseList;
 use ProcessMaker\Model\Delegation;
+use ProcessMaker\Model\Task;
 use ProcessMaker\Model\User;
 
 class Unassigned extends AbstractCases
@@ -90,8 +91,7 @@ class Unassigned extends AbstractCases
         if (!empty($this->getDelegateTo())) {
             $query->delegateDateTo($this->getDelegateTo());
         }
-
-        // Specific usrId represented by sendBy. 
+        // Specific usrId represented by sendBy
         if (!empty($this->getSendBy())) {
             $query->sendBy($this->getSendBy());
         }
@@ -149,10 +149,25 @@ class Unassigned extends AbstractCases
             $item['DEL_DELEGATE_DATE_LABEL'] = applyMaskDateEnvironment($item['DEL_DELEGATE_DATE']);
             // Get the send by related to the previous index
             $previousThread = Delegation::getThreadInfo($item['APP_NUMBER'], $item['DEL_PREVIOUS']);
-            $userInfo = !empty($previousThread) ? User::getInformation($previousThread['USR_ID']) : [];
+            $userInfo = [];
+            $dummyInfo = [];
+            if (!empty($previousThread)) {
+                // When the task has an user
+                $userInfo = ($previousThread['USR_ID'] !== 0) ? User::getInformation($previousThread['USR_ID']) : [];
+                // When the task does not have users refers to dummy task
+                $taskInfo = ($previousThread['USR_ID'] === 0) ? Task::title($previousThread['TAS_ID']) : [];
+                if (!empty($taskInfo)) {
+                    $dummyInfo = [
+                        'task_id' => $previousThread['TAS_ID'],
+                        'name' => $taskInfo['title'],
+                        'type' => $taskInfo['type']
+                    ];
+                }
+            }
             $result = [];
             $result['del_previous'] = $item['DEL_PREVIOUS'];
             $result['user_tooltip'] = $userInfo;
+            $result['dummy_task'] = $dummyInfo;
             $item['SEND_BY_INFO'] = $result;
 
             return $item;
diff --git a/workflow/engine/src/ProcessMaker/Model/Task.php b/workflow/engine/src/ProcessMaker/Model/Task.php
index 9d2ddf06b..bd6960a3f 100644
--- a/workflow/engine/src/ProcessMaker/Model/Task.php
+++ b/workflow/engine/src/ProcessMaker/Model/Task.php
@@ -120,16 +120,18 @@ class Task extends Model
      *
      * @param  integer $tasId
      *
-     * @return string
+     * @return array
      */
-    public function title($tasId)
+    public static function title($tasId)
     {
-        $query = Task::query()->select('TAS_TITLE');
+        $query = Task::query()->select('TAS_TITLE', 'TAS_TYPE');
         $query->where('TAS_ID', $tasId);
         $results = $query->get();
         $title = '';
-        $results->each(function ($item, $key) use (&$title) {
+        $type = '';
+        $results->each(function ($item, $key) use (&$title, &$type) {
             $title = $item->TAS_TITLE;
+            $type = $item->TAS_TYPE;
             switch ($title) {
                 case "INTERMEDIATE-THROW-EMAIL-EVENT":
                     $title = G::LoadTranslation('ID_INTERMEDIATE_THROW_EMAIL_EVENT');
@@ -143,10 +145,37 @@ class Task extends Model
                 case "INTERMEDIATE-CATCH-TIMER-EVENT":
                     $title = G::LoadTranslation('ID_INTERMEDIATE_CATCH_TIMER_EVENT');
                     break;
+                case "SCRIPT-TASK":
+                    $title = G::LoadTranslation('ID_SCRIPT_TASK_UNTITLED');
+                    break;
+                case "SERVICE-TASK":
+                    $title = G::LoadTranslation('ID_SERVICE_TASK_UNTITLED');
+                    break;
+            }
+            switch ($type) {
+                case "INTERMEDIATE-THROW-EMAIL-EVENT":
+                    $type = G::LoadTranslation('ID_EMAIL_EVENT');
+                    break;
+                case "INTERMEDIATE-THROW-MESSAGE-EVENT":
+                case "INTERMEDIATE-CATCH-MESSAGE-EVENT":
+                    $type = G::LoadTranslation('ID_MESSAGE_EVENT');
+                    break;
+                case "INTERMEDIATE-CATCH-TIMER-EVENT":
+                    $type = G::LoadTranslation('ID_TIMER_EVENT');
+                    break;
+                case "SCRIPT-TASK":
+                    $type = G::LoadTranslation('ID_SCRIPT_TASK');
+                    break;
+                case "SERVICE-TASK":
+                    $type = G::LoadTranslation('ID_SERVICE_TASK');
+                    break;
             }
         });
 
-        return $title;
+        return [
+            'title' => $title,
+            'type' => $type,
+        ];
     }
 
     /**