diff --git a/workflow/engine/bin/cron_single.php b/workflow/engine/bin/cron_single.php
index 205e981b3..ed7aa5b8d 100755
--- a/workflow/engine/bin/cron_single.php
+++ b/workflow/engine/bin/cron_single.php
@@ -967,7 +967,7 @@ function executeCaseSelfService()
             $dueDate = $calendar->calculateDate(
                 $appcacheDelDelegateDate,
                 $taskSelfServiceTime,
-                $taskSelfServiceTimeUnit //HOURS|DAYS
+                $taskSelfServiceTimeUnit //HOURS|DAYS|MINUTES
                 //1
             );
 
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Task.php b/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
index e16b36989..1ab9fa4f6 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
@@ -155,7 +155,8 @@ class Task
                     "TAS_SELFSERVICE_TIMEOUT" => $arrayDataAux["TAS_SELFSERVICE_TIMEOUT"],
                     "TAS_SELFSERVICE_TIME"    => $arrayDataAux["TAS_SELFSERVICE_TIME"],
                     "TAS_SELFSERVICE_TIME_UNIT"   => $arrayDataAux["TAS_SELFSERVICE_TIME_UNIT"],
-                    "TAS_SELFSERVICE_TRIGGER_UID" => $arrayDataAux["TAS_SELFSERVICE_TRIGGER_UID"]
+                    "TAS_SELFSERVICE_TRIGGER_UID" => $arrayDataAux["TAS_SELFSERVICE_TRIGGER_UID"],
+                    "TAS_SELFSERVICE_EXECUTION"   => $arrayDataAux["TAS_SELFSERVICE_EXECUTION"]
                 ),
                 $keyCase
             );
@@ -277,6 +278,7 @@ class Task
                     $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TIME");
                     $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TIME_UNIT");
                     $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TRIGGER_UID");
+                    $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_EXECUTION");
                     break;
                 case 'EVALUATE':
                     if (empty($arrayProperty["TAS_ASSIGN_VARIABLE"])) {
@@ -287,6 +289,7 @@ class Task
                     $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TIME");
                     $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TIME_UNIT");
                     $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TRIGGER_UID");
+                    $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_EXECUTION");
                     break;
                 case 'SELF_SERVICE':
                 case 'SELF_SERVICE_EVALUATE':
@@ -312,10 +315,14 @@ class Task
                         if (empty($arrayProperty["TAS_SELFSERVICE_TRIGGER_UID"])) {
                             throw (new \Exception("Invalid value specified for 'tas_selfservice_trigger_uid'"));
                         }
+                        if (empty($arrayProperty["TAS_SELFSERVICE_EXECUTION"])) {
+                            throw (new \Exception("Invalid value specified for 'tas_selfservice_execution'"));
+                        }
                     } else {
                         $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TIME");
                         $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TIME_UNIT");
                         $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_TRIGGER_UID");
+                        $this->unsetVar($arrayProperty, "TAS_SELFSERVICE_EXECUTION");
                     }
                     break;
             }
diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php b/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
index 34d05b7d9..a01bd3066 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
@@ -258,7 +258,7 @@ class ActivityPropertiesStructure
     public $tas_selfservice_timeout;
 
     /**
-     * @var string {@from body} {@choice DAYS,,HOURS}
+     * @var string {@from body} {@choice DAYS,,HOURS,MINUTES}
      */
     public $tas_selfservice_time_unit;
 
@@ -267,6 +267,11 @@ class ActivityPropertiesStructure
      */
     public $tas_selfservice_trigger_uid;
 
+    /**
+     * @var string {@from body} {@choice EVERY_TIME,ONCE}
+     */
+    public $tas_selfservice_execution;
+
     /**
      * @var string {@from body} {@choice TRUE,FALSE}
      */
diff --git a/workflow/engine/xmlform/tasks/tasks_AssignmentRules.xml b/workflow/engine/xmlform/tasks/tasks_AssignmentRules.xml
index 8bede4601..ba41668a2 100755
--- a/workflow/engine/xmlform/tasks/tasks_AssignmentRules.xml
+++ b/workflow/engine/xmlform/tasks/tasks_AssignmentRules.xml
@@ -28,7 +28,7 @@
     <en><![CDATA[Time]]></en>
   </TAS_SELFSERVICE_TIME>
   <TAS_SELFSERVICE_TIME_UNIT type="dropdown">
-    <en><![CDATA[Time unit]]><option name="HOURS"><![CDATA[Hours]]></option><option name="DAYS"><![CDATA[Days]]></option></en>
+    <en><![CDATA[Time unit]]><option name="HOURS"><![CDATA[Hours]]></option><option name="DAYS"><![CDATA[Days]]></option><option name="MINUTES"><![CDATA[Minutes]]></option></en>
   </TAS_SELFSERVICE_TIME_UNIT>
   <TAS_SELFSERVICE_TRIGGER_UID type="dropdown" required="1"><![CDATA[
     SELECT TGR.TRI_UID, CON.CON_VALUE