diff --git a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCasesTest.php b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCasesTest.php
index eac1d5506..eb971523d 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCasesTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCasesTest.php
@@ -272,10 +272,10 @@ class AbstractCasesTest extends TestCase
     }
 
     /**
-     * This check the getter and setter related to the inbox status
+     * This check the getter and setter related to the review status
      *
-     * @covers \ProcessMaker\BusinessModel\Cases\AbstractCases::setInboxStatus()
-     * @covers \ProcessMaker\BusinessModel\Cases\AbstractCases::getInboxStatus()
+     * @covers \ProcessMaker\BusinessModel\Cases\AbstractCases::setReviewStatus()
+     * @covers \ProcessMaker\BusinessModel\Cases\AbstractCases::getReviewStatus()
      * @test
      */
     public function it_return_set_get_inbox_status()
@@ -283,8 +283,8 @@ class AbstractCasesTest extends TestCase
         $absCases = new AbstractCases();
         $arguments = ['READ', 'UNREAD'];
         $index = array_rand($arguments);
-        $absCases->setInboxStatus($arguments[$index]);
-        $actual = $absCases->getInboxStatus();
+        $absCases->setReviewStatus($arguments[$index]);
+        $actual = $absCases->getReviewStatus();
         if ($arguments[$index] === '') {
             $this->assertEmpty($actual);
         } else {
@@ -293,16 +293,16 @@ class AbstractCasesTest extends TestCase
     }
 
     /**
-     * This test the exception setInboxStatus
+     * This test the exception setReviewStatus
      *
-     * @covers \ProcessMaker\BusinessModel\Cases\AbstractCases::setInboxStatus()
+     * @covers \ProcessMaker\BusinessModel\Cases\AbstractCases::setReviewStatus()
      * @test
      */
     public function it_return_exception_inbox_status()
     {
         $this->expectException(Exception::class);
         $absCases = new AbstractCases();
-        $absCases->setInboxStatus('INVALID_VALUE');
+        $absCases->setReviewStatus('INVALID_VALUE');
     }
 
     /**
diff --git a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/HomeTest.php b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/HomeTest.php
index 189583f31..c3dbd7bc7 100644
--- a/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/HomeTest.php
+++ b/tests/unit/workflow/engine/src/ProcessMaker/BusinessModel/Cases/HomeTest.php
@@ -296,7 +296,7 @@ class HomeTest extends TestCase
             'CAL_COLUMNS' => '[{"field":"case_number","enableFilter":false,"set":true},{"field":"case_title","enableFilter":false,"set":true},{"field":"process_name","enableFilter":false,"set":true},{"field":"task","enableFilter":false,"set":true},{"field":"send_by","enableFilter":false,"set":true},{"field":"due_date","enableFilter":false,"set":true},{"field":"delegation_date","enableFilter":false,"set":true},{"field":"priority","enableFilter":false,"set":true},{"field":"VAR1","enableFilter":false,"set":true},{"field":"VAR2","enableFilter":false,"set":true},{"field":"VAR3","enableFilter":false,"set":false}]',
             'ADD_TAB_UID' => $additionalTables->ADD_TAB_UID
         ]);
-        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', 'APP_NUMBER,DESC'];
+        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', 'APP_NUMBER,DESC'];
 
         $home = new Home($application->APP_INIT_USER);
         $result = $home->getCustomDraft(...$arguments);
@@ -350,7 +350,7 @@ class HomeTest extends TestCase
             'CAL_COLUMNS' => '[{"field":"case_number","enableFilter":false,"set":true},{"field":"case_title","enableFilter":false,"set":true},{"field":"process_name","enableFilter":false,"set":true},{"field":"task","enableFilter":false,"set":true},{"field":"send_by","enableFilter":false,"set":true},{"field":"due_date","enableFilter":false,"set":true},{"field":"delegation_date","enableFilter":false,"set":true},{"field":"priority","enableFilter":false,"set":true},{"field":"VAR1","enableFilter":false,"set":true},{"field":"VAR2","enableFilter":false,"set":true},{"field":"VAR3","enableFilter":false,"set":false}]',
             'ADD_TAB_UID' => $additionalTables->ADD_TAB_UID
         ]);
-        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', '', 'APP_NUMBER,DESC'];
+        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', '', '', 'APP_NUMBER,DESC'];
 
         $home = new Home($application->APP_INIT_USER);
         $result = $home->getCustomInbox(...$arguments);
@@ -365,7 +365,7 @@ class HomeTest extends TestCase
      * @test
      * @covers \ProcessMaker\BusinessModel\Cases\Home::getCustomUnassigned()
      */
-    public function it_should_test_getCustomUnassignedt()
+    public function it_should_test_getCustomUnassigned()
     {
         $this->markTestIncomplete('Illegal mix of collations');
         $additionalTables = factory(AdditionalTables::class)->create();
@@ -430,7 +430,7 @@ class HomeTest extends TestCase
             'CAL_COLUMNS' => '[{"field":"case_number","enableFilter":false,"set":true},{"field":"case_title","enableFilter":false,"set":true},{"field":"process_name","enableFilter":false,"set":true},{"field":"task","enableFilter":false,"set":true},{"field":"send_by","enableFilter":false,"set":true},{"field":"due_date","enableFilter":false,"set":true},{"field":"delegation_date","enableFilter":false,"set":true},{"field":"priority","enableFilter":false,"set":true},{"field":"VAR1","enableFilter":false,"set":true},{"field":"VAR2","enableFilter":false,"set":true},{"field":"VAR3","enableFilter":false,"set":false}]',
             'ADD_TAB_UID' => $additionalTables->ADD_TAB_UID
         ]);
-        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', '', 'APP_NUMBER,DESC'];
+        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', '', '', 'APP_NUMBER,DESC'];
 
         $home = new Home($application->APP_INIT_USER);
         $result = $home->getCustomUnassigned(...$arguments);
@@ -530,7 +530,7 @@ class HomeTest extends TestCase
             'CAL_COLUMNS' => '[{"field":"case_number","enableFilter":false,"set":true},{"field":"case_title","enableFilter":false,"set":true},{"field":"process_name","enableFilter":false,"set":true},{"field":"task","enableFilter":false,"set":true},{"field":"send_by","enableFilter":false,"set":true},{"field":"due_date","enableFilter":false,"set":true},{"field":"delegation_date","enableFilter":false,"set":true},{"field":"priority","enableFilter":false,"set":true},{"field":"VAR1","enableFilter":false,"set":true},{"field":"VAR2","enableFilter":false,"set":true},{"field":"VAR3","enableFilter":false,"set":false}]',
             'ADD_TAB_UID' => $additionalTables->ADD_TAB_UID
         ]);
-        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', '', 'APP_NUMBER,DESC'];
+        $arguments = [$caseList->CAL_ID, 0, 0, 0, 0, 15, 0, '', '', '', '', '', 'APP_NUMBER,DESC'];
 
         $home = new Home($application1->APP_INIT_USER);
         $result = $home->getCustomPaused(...$arguments);
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCases.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCases.php
index 967b241cd..67e310a75 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCases.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/AbstractCases.php
@@ -3,7 +3,6 @@
 namespace ProcessMaker\BusinessModel\Cases;
 
 use Datetime;
-use DB;
 use Exception;
 use ProcessMaker\BusinessModel\Interfaces\CasesInterface;
 use ProcessMaker\BusinessModel\Validator;
@@ -14,7 +13,7 @@ use ProcessMaker\Model\User;
 class AbstractCases implements CasesInterface
 {
     // Constants for validate values
-    const INBOX_STATUSES = ['READ', 'UNREAD'];
+    const REVIEW_STATUSES = ['READ', 'UNREAD']; //0 => READ, 1 => UNREAD
     const PARTICIPATED_STATUSES = ['STARTED', 'IN_PROGRESS', 'COMPLETED', 'SUPERVISING'];
     const RISK_STATUSES = ['ON_TIME', 'AT_RISK', 'OVERDUE'];
     const CASE_STATUSES = [1 => 'DRAFT', 2 => 'TO_DO', 3 => 'COMPLETED', 4 => 'CANCELED'];
@@ -69,7 +68,7 @@ class AbstractCases implements CasesInterface
     private $valueToSearch = '';
 
     // Filter cases depending if were read or not, know as "$filter" in the old lists classes
-    private $inboxStatus = '';
+    private $reviewStatus = '';
 
     // Filter cases depending if the case was started or completed by the current user, know as "$filter" in the old lists classes
     private $participatedStatus = '';
@@ -373,23 +372,25 @@ class AbstractCases implements CasesInterface
     }
 
     /**
-     * Set inbox status
+     * Set review status
      *
-     * @param string $inboxStatus
+     * @param string $status
      *
      * @throws Exception
      */
-    public function setInboxStatus(string $inboxStatus)
+    public function setReviewStatus(string $status)
     {
         // Convert the value to upper case
-        $inboxStatus = strtoupper($inboxStatus);
+        $status = strtoupper($status);
 
-        // Validate the inbox status
-        if (!in_array($inboxStatus, self::INBOX_STATUSES)) {
-            throw new Exception("Inbox status '{$inboxStatus}' is not valid.");
+        // Validate the status value
+        if (!empty($status)) {
+            if (!in_array($status, self::REVIEW_STATUSES)) {
+                throw new Exception("Inbox status '{$status}' is not valid.");
+            }
         }
 
-        $this->inboxStatus = $inboxStatus;
+        $this->reviewStatus = $status;
     }
 
     /**
@@ -397,9 +398,9 @@ class AbstractCases implements CasesInterface
      *
      * @return string
      */
-    public function getInboxStatus()
+    public function getReviewStatus()
     {
-        return $this->inboxStatus;
+        return $this->reviewStatus;
     }
 
     /**
@@ -1412,6 +1413,10 @@ class AbstractCases implements CasesInterface
         if (get_class($this) === Inbox::class && !empty($properties['sendBy'])) {
             $this->setSendBy($properties['sendBy']);
         }
+        // Filter by Review Status
+        if (get_class($this) === Inbox::class && !empty($properties['reviewStatus'])) {
+            $this->setReviewStatus($properties['reviewStatus']);
+        }
         /** Apply filters related to PAUSED */
         // Filter date related to delegate from
         if (get_class($this) === Paused::class && !empty($properties['delegateFrom'])) {
@@ -1425,6 +1430,10 @@ class AbstractCases implements CasesInterface
         if (get_class($this) === Paused::class && !empty($properties['sendBy'])) {
             $this->setSendBy($properties['sendBy']);
         }
+        // Filter by Review Status
+        if (get_class($this) === Paused::class && !empty($properties['reviewStatus'])) {
+            $this->setReviewStatus($properties['reviewStatus']);
+        }
         /** Apply filters related to UNASSIGNED */
         // Filter date related to delegate from
         if (get_class($this) === Unassigned::class && !empty($properties['delegateFrom'])) {
@@ -1438,6 +1447,10 @@ class AbstractCases implements CasesInterface
         if (get_class($this) === Unassigned::class && !empty($properties['sendBy'])) {
             $this->setSendBy($properties['sendBy']);
         }
+        // Filter by Review Status
+        if (get_class($this) === Unassigned::class && !empty($properties['reviewStatus'])) {
+            $this->setReviewStatus($properties['reviewStatus']);
+        }
 
         /** Apply filters related to MY CASES */
         // My cases filter: started, in-progress, completed, supervising
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php
index 119946eb0..c52e12970 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Draft.php
@@ -87,6 +87,10 @@ class Draft extends AbstractCases
         if (!empty($this->getCaseUid())) {
             $query->appUid($this->getCaseUid());
         }
+        // Specific review status
+        if (!empty($this->getReviewStatus())) {
+            $query->readUnread($this->getReviewStatus());
+        }
 
         return $query;
     }
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Home.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Home.php
index 8055cb8cd..7e5a04333 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Home.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Home.php
@@ -47,6 +47,7 @@ class Home
      * @param int $offset
      * @param string $caseTitle
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param callable $callback
      * 
@@ -61,6 +62,7 @@ class Home
         int $offset = 0,
         string $caseTitle = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         callable $callback = null
     )
@@ -71,6 +73,7 @@ class Home
         $properties['caseNumber'] = $caseNumber;
         $properties['caseTitle'] = $caseTitle;
         $properties['filterCases'] = $filterCases;
+        $properties['reviewStatus'] = $reviewStatus;
         $properties['category'] = $category;
         $properties['process'] = $process;
         $properties['task'] = $task;
@@ -103,6 +106,7 @@ class Home
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      * @param callable $callback
@@ -120,6 +124,7 @@ class Home
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = '',
         callable $callback = null
@@ -133,6 +138,7 @@ class Home
         $properties['delegateFrom'] = $delegateFrom;
         $properties['delegateTo'] = $delegateTo;
         $properties['filterCases'] = $filterCases;
+        $properties['reviewStatus'] = $reviewStatus;
         $properties['category'] = $category;
         $properties['process'] = $process;
         $properties['task'] = $task;
@@ -166,6 +172,7 @@ class Home
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      * @param callable $callback
@@ -183,6 +190,7 @@ class Home
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = '',
         callable $callback = null
@@ -196,6 +204,7 @@ class Home
         $properties['delegateFrom'] = $delegateFrom;
         $properties['delegateTo'] = $delegateTo;
         $properties['filterCases'] = $filterCases;
+        $properties['reviewStatus'] = $reviewStatus;
         $properties['category'] = $category;
         $properties['process'] = $process;
         $properties['task'] = $task;
@@ -231,6 +240,7 @@ class Home
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      * @param callable $callback
@@ -248,6 +258,7 @@ class Home
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = '',
         callable $callback = null
@@ -261,6 +272,7 @@ class Home
         $properties['delegateFrom'] = $delegateFrom;
         $properties['delegateTo'] = $delegateTo;
         $properties['filterCases'] = $filterCases;
+        $properties['reviewStatus'] = $reviewStatus;
         $properties['category'] = $category;
         $properties['process'] = $process;
         $properties['task'] = $task;
@@ -376,6 +388,7 @@ class Home
      * @param int $offset
      * @param string $caseTitle
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param array $customFilters
      * 
@@ -391,6 +404,7 @@ class Home
         int $offset = 0,
         string $caseTitle = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         array $customFilters = []
     )
@@ -404,11 +418,12 @@ class Home
             $offset,
             $caseTitle,
             $filterCases,
+            $reviewStatus,
             $sort
         ];
 
         //clear duplicate indexes
-        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'filterCases', 'sort'];
+        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'filterCases', 'reviewStatus', 'sort'];
         foreach ($keys as $value) {
             unset($customFilters[$value]);
         }
@@ -436,6 +451,7 @@ class Home
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      * @param array $customFilters
@@ -454,6 +470,7 @@ class Home
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = '',
         array $customFilters = []
@@ -470,12 +487,13 @@ class Home
             $delegateFrom,
             $delegateTo,
             $filterCases,
+            $reviewStatus,
             $sort,
             $sendBy
         ];
 
         //clear duplicate indexes
-        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'delegateFrom', 'delegateTo', 'filterCases', 'sort', 'sendBy'];
+        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'delegateFrom', 'delegateTo', 'filterCases', 'reviewStatus', 'sort', 'sendBy'];
         foreach ($keys as $value) {
             unset($customFilters[$value]);
         }
@@ -503,6 +521,7 @@ class Home
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      * @param array $customFilters
@@ -521,6 +540,7 @@ class Home
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = '',
         array $customFilters = []
@@ -537,12 +557,13 @@ class Home
             $delegateFrom,
             $delegateTo,
             $filterCases,
+            $reviewStatus,
             $sort,
             $sendBy
         ];
 
         //clear duplicate indexes
-        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'delegateFrom', 'delegateTo', 'filterCases', 'sort', 'sendBy'];
+        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'delegateFrom', 'delegateTo', 'filterCases', 'reviewStatus', 'sort', 'sendBy'];
         foreach ($keys as $value) {
             unset($customFilters[$value]);
         }
@@ -570,6 +591,7 @@ class Home
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      * @param array $customFilters
@@ -588,6 +610,7 @@ class Home
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = '',
         array $customFilters = []
@@ -604,12 +627,13 @@ class Home
             $delegateFrom,
             $delegateTo,
             $filterCases,
+            $reviewStatus,
             $sort,
             $sendBy
         ];
 
         //clear duplicate indexes
-        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'delegateFrom', 'delegateTo', 'filterCases', 'sort', 'sendBy'];
+        $keys = ['caseNumber', 'category', 'process', 'task', 'limit', 'offset', 'caseTitle', 'delegateFrom', 'delegateTo', 'filterCases', 'reviewStatus', 'sort', 'sendBy'];
         foreach ($keys as $value) {
             unset($customFilters[$value]);
         }
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php
index a497c018d..8d9d61314 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Inbox.php
@@ -101,6 +101,10 @@ class Inbox extends AbstractCases
         if (!empty($this->getSendBy())) {
             $query->sendBy($this->getSendBy());
         }
+        // Specific review status
+        if (!empty($this->getReviewStatus())) {
+            $query->readUnread($this->getReviewStatus());
+        }
 
         return $query;
     }
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php
index 66ba2936d..16ca2da4e 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Paused.php
@@ -101,6 +101,10 @@ class Paused extends AbstractCases
         if (!empty($this->getSendBy())) {
             $query->sendBy($this->getSendBy());
         }
+        // Specific review status
+        if (!empty($this->getReviewStatus())) {
+            $query->readUnread($this->getReviewStatus());
+        }
 
         return $query;
     }
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php
index a41f69809..a5557c9c7 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases/Unassigned.php
@@ -89,7 +89,6 @@ class Unassigned extends AbstractCases
         if (!empty($this->getCaseUid())) {
             $query->appUid($this->getCaseUid());
         }
-
         // Specific delegate date from
         if (!empty($this->getDelegateFrom())) {
             $query->delegateDateFrom($this->getDelegateFrom());
@@ -102,6 +101,10 @@ class Unassigned extends AbstractCases
         if (!empty($this->getSendBy())) {
             $query->sendBy($this->getSendBy());
         }
+        // Specific review status
+        if (!empty($this->getReviewStatus())) {
+            $query->readUnread($this->getReviewStatus());
+        }
 
         return $query;
     }
diff --git a/workflow/engine/src/ProcessMaker/Model/Delegation.php b/workflow/engine/src/ProcessMaker/Model/Delegation.php
index 579375bf6..eba437f0e 100644
--- a/workflow/engine/src/ProcessMaker/Model/Delegation.php
+++ b/workflow/engine/src/ProcessMaker/Model/Delegation.php
@@ -298,6 +298,25 @@ class Delegation extends Model
         return $query->where('APPLICATION.APP_FINISH_DATE', '<=', $to);
     }
 
+    /**
+     * Scope a query to only include unread thread
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @param string $status
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeReadUnread($query, $status)
+    {
+        if ($status === 'READ') {
+            // READ
+            return $query->whereNotNull('DEL_INIT_DATE');
+        } else {
+            // UNREAD
+            return $query->whereNull('DEL_INIT_DATE');
+        }
+    }
+
     /**
      * Scope a query to only include a specific delegate date
      *
diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Home.php b/workflow/engine/src/ProcessMaker/Services/Api/Home.php
index 4323fb419..215d4ed4f 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Home.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Home.php
@@ -58,6 +58,7 @@ class Home extends Api
      * @param int $offset
      * @param string $caseTitle
      * @param string $filterCases
+     * @param string $filterCases
      * @param string $sort
      *
      * @return array
@@ -76,6 +77,7 @@ class Home extends Api
         int $offset = 0,
         string $caseTitle = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC'
     )
     {
@@ -90,6 +92,7 @@ class Home extends Api
                     $offset,
                     $caseTitle,
                     $filterCases,
+                    $reviewStatus,
                     $sort
             );
         } catch (Exception $e) {
@@ -113,6 +116,7 @@ class Home extends Api
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      *
@@ -134,6 +138,7 @@ class Home extends Api
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = ''
     )
@@ -151,6 +156,7 @@ class Home extends Api
                     $delegateFrom,
                     $delegateTo,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $sendBy
             );
@@ -174,6 +180,7 @@ class Home extends Api
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      *
@@ -195,6 +202,7 @@ class Home extends Api
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = ''
     )
@@ -212,6 +220,7 @@ class Home extends Api
                     $delegateFrom,
                     $delegateTo,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $sendBy
             );
@@ -235,6 +244,7 @@ class Home extends Api
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param string $sendBy
      *
@@ -256,6 +266,7 @@ class Home extends Api
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         string $sendBy = ''
     )
@@ -273,6 +284,7 @@ class Home extends Api
                     $delegateFrom,
                     $delegateTo,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $sendBy
             );
@@ -293,6 +305,7 @@ class Home extends Api
      * @param int $offset
      * @param string $caseTitle
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param array $request_data
      * @return array
@@ -310,6 +323,7 @@ class Home extends Api
         int $offset = 0,
         string $caseTitle = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         array $request_data = []
     )
@@ -326,6 +340,7 @@ class Home extends Api
                     $offset,
                     $caseTitle,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $request_data
             );
@@ -349,6 +364,7 @@ class Home extends Api
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param array $request_data
      * @return array
@@ -369,6 +385,7 @@ class Home extends Api
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         array $request_data = []
     )
@@ -387,6 +404,7 @@ class Home extends Api
                     $delegateFrom,
                     $delegateTo,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $sendBy,
                     $request_data
@@ -411,6 +429,7 @@ class Home extends Api
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param array $request_data
      * @return array
@@ -431,6 +450,7 @@ class Home extends Api
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         array $request_data = []
     )
@@ -449,6 +469,7 @@ class Home extends Api
                     $delegateFrom,
                     $delegateTo,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $sendBy,
                     $request_data
@@ -473,6 +494,7 @@ class Home extends Api
      * @param string $delegateFrom
      * @param string $delegateTo
      * @param string $filterCases
+     * @param string $reviewStatus
      * @param string $sort
      * @param array $request_data
      * @return array
@@ -493,6 +515,7 @@ class Home extends Api
         string $delegateFrom = '',
         string $delegateTo = '',
         string $filterCases = '',
+        string $reviewStatus = '',
         string $sort = 'APP_NUMBER,DESC',
         array $request_data = []
     )
@@ -511,6 +534,7 @@ class Home extends Api
                     $delegateFrom,
                     $delegateTo,
                     $filterCases,
+                    $reviewStatus,
                     $sort,
                     $sendBy,
                     $request_data