diff --git a/workflow/engine/classes/model/map/TaskMapBuilder.php b/workflow/engine/classes/model/map/TaskMapBuilder.php
index 863efc4f2..53f50d5cf 100755
--- a/workflow/engine/classes/model/map/TaskMapBuilder.php
+++ b/workflow/engine/classes/model/map/TaskMapBuilder.php
@@ -165,7 +165,7 @@ class TaskMapBuilder
 
         $tMap->addColumn('TAS_SELFSERVICE_TIMEOUT', 'TasSelfserviceTimeout', 'int', CreoleTypes::INTEGER, false, null);
 
-        $tMap->addColumn('TAS_SELFSERVICE_TIME', 'TasSelfserviceTime', 'string', CreoleTypes::VARCHAR, false, 15);
+        $tMap->addColumn('TAS_SELFSERVICE_TIME', 'TasSelfserviceTime', 'int', CreoleTypes::INTEGER, false, null);
 
         $tMap->addColumn('TAS_SELFSERVICE_TIME_UNIT', 'TasSelfserviceTimeUnit', 'string', CreoleTypes::VARCHAR, false, 15);
 
diff --git a/workflow/engine/classes/model/om/BaseTask.php b/workflow/engine/classes/model/om/BaseTask.php
index e4466be70..c757656aa 100755
--- a/workflow/engine/classes/model/om/BaseTask.php
+++ b/workflow/engine/classes/model/om/BaseTask.php
@@ -329,9 +329,9 @@ abstract class BaseTask extends BaseObject implements Persistent
 
     /**
      * The value for the tas_selfservice_time field.
-     * @var        string
+     * @var        int
      */
-    protected $tas_selfservice_time = '';
+    protected $tas_selfservice_time = 0;
 
     /**
      * The value for the tas_selfservice_time_unit field.
@@ -918,7 +918,7 @@ abstract class BaseTask extends BaseObject implements Persistent
     /**
      * Get the [tas_selfservice_time] column value.
      * 
-     * @return     string
+     * @return     int
      */
     public function getTasSelfserviceTime()
     {
@@ -2050,19 +2050,19 @@ abstract class BaseTask extends BaseObject implements Persistent
     /**
      * Set the value of [tas_selfservice_time] column.
      * 
-     * @param      string $v new value
+     * @param      int $v new value
      * @return     void
      */
     public function setTasSelfserviceTime($v)
     {
 
-        // Since the native PHP type for this column is string,
-        // we will cast the input to a string (if it is not).
-        if ($v !== null && !is_string($v)) {
-            $v = (string) $v;
+        // Since the native PHP type for this column is integer,
+        // we will cast the input value to an int (if it is not).
+        if ($v !== null && !is_int($v) && is_numeric($v)) {
+            $v = (int) $v;
         }
 
-        if ($this->tas_selfservice_time !== $v || $v === '') {
+        if ($this->tas_selfservice_time !== $v || $v === 0) {
             $this->tas_selfservice_time = $v;
             $this->modifiedColumns[] = TaskPeer::TAS_SELFSERVICE_TIME;
         }
@@ -2252,7 +2252,7 @@ abstract class BaseTask extends BaseObject implements Persistent
 
             $this->tas_selfservice_timeout = $rs->getInt($startcol + 49);
 
-            $this->tas_selfservice_time = $rs->getString($startcol + 50);
+            $this->tas_selfservice_time = $rs->getInt($startcol + 50);
 
             $this->tas_selfservice_time_unit = $rs->getString($startcol + 51);
 
diff --git a/workflow/engine/config/schema.xml b/workflow/engine/config/schema.xml
index 9d8d9f2fc..96e902bcc 100755
--- a/workflow/engine/config/schema.xml
+++ b/workflow/engine/config/schema.xml
@@ -1307,7 +1307,7 @@
     <column name="TAS_BOUNDARY" type="VARCHAR" size="32" required="true" default=""/>
     <column name="TAS_DERIVATION_SCREEN_TPL" type="VARCHAR" size="128" default="" required="false"/>
     <column name="TAS_SELFSERVICE_TIMEOUT" type="INTEGER" default="0"/>
-    <column name="TAS_SELFSERVICE_TIME" type="VARCHAR" size="15" default=""/>
+    <column name="TAS_SELFSERVICE_TIME" type="INTEGER" default="0"/>
     <column name="TAS_SELFSERVICE_TIME_UNIT" type="VARCHAR" size="15" default=""/>
     <column name="TAS_SELFSERVICE_TRIGGER_UID" type="VARCHAR" size="32" default=""/>
     <column name="TAS_SELFSERVICE_EXECUTION" type="VARCHAR" size="15" default="EVERY_TIME"/>
diff --git a/workflow/engine/data/mysql/schema.sql b/workflow/engine/data/mysql/schema.sql
index 1ccebaadd..4addde059 100755
--- a/workflow/engine/data/mysql/schema.sql
+++ b/workflow/engine/data/mysql/schema.sql
@@ -654,12 +654,12 @@ CREATE TABLE `TASK`
 	`TAS_BOUNDARY` VARCHAR(32) default '' NOT NULL,
 	`TAS_DERIVATION_SCREEN_TPL` VARCHAR(128) default '',
 	`TAS_SELFSERVICE_TIMEOUT` INTEGER default 0,
-	`TAS_SELFSERVICE_TIME` VARCHAR(15) default '',
+	`TAS_SELFSERVICE_TIME` INTEGER default 0,
 	`TAS_SELFSERVICE_TIME_UNIT` VARCHAR(15) default '',
 	`TAS_SELFSERVICE_TRIGGER_UID` VARCHAR(32) default '',
 	`TAS_SELFSERVICE_EXECUTION` VARCHAR(15) default 'EVERY_TIME',
 	PRIMARY KEY (`TAS_UID`),
-	KEY `indexTasUid` (`TAS_UID`)
+	KEY `indexTasUid`(`TAS_UID`)
 )ENGINE=InnoDB  DEFAULT CHARSET='utf8' COMMENT='Task of workflow';
 #-----------------------------------------------------------------------------
 #-- TASK_USER
diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php b/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
index 136db2822..ae961df42 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Project/Activity.php
@@ -233,42 +233,42 @@ class ActivityPropertiesStructure
     public $tas_title;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_description;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_priority_variable;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_derivation_screen_tpl;
 
     /**
-     * @var string {@from body} {@choice TRUE,FALSE}
+     * @var string {@from body} {@choice TRUE,FALSE} {@required false}
      */
     public $tas_start;
 
     /**
-     * @var string {@from body} {@choice BALANCED,MANUAL,EVALUATE,REPORT_TO,SELF_SERVICE,SELF_SERVICE_EVALUATE,MULTIPLE_INSTANCE,MULTIPLE_INSTANCE_VALUE_BASED}
+     * @var string {@from body} {@choice BALANCED,MANUAL,EVALUATE,REPORT_TO,SELF_SERVICE,SELF_SERVICE_EVALUATE,MULTIPLE_INSTANCE,MULTIPLE_INSTANCE_VALUE_BASED} {@required false}
      */
     public $tas_assign_type;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_assign_variable;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_group_variable;
 
     /**
-     * @var string {@from body}
+     * @var int {@from body} {@required false}
      */
     public $tas_selfservice_time;
 
@@ -278,12 +278,12 @@ class ActivityPropertiesStructure
     public $tas_selfservice_timeout;
 
     /**
-     * @var string {@from body} {@choice DAYS,,HOURS,MINUTES}
+     * @var string {@from body} {@choice DAYS,,HOURS,MINUTES} {@required false}
      */
     public $tas_selfservice_time_unit;
 
     /**
-     * @var string {@from body} {@min 0} {@max 32}
+     * @var string {@from body} {@min 0} {@max 32} {@required false}
      */
     public $tas_selfservice_trigger_uid;
 
@@ -298,22 +298,22 @@ class ActivityPropertiesStructure
     public $tas_transfer_fly;
 
     /**
-     * @var int {@from body}
+     * @var int {@from body} {@required false}
      */
     public $tas_duration;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_timeunit;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_type_day;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_calendar;
 
@@ -323,12 +323,12 @@ class ActivityPropertiesStructure
     public $tas_type;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_def_title;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_def_description;
 
@@ -338,22 +338,22 @@ class ActivityPropertiesStructure
     public $tas_send_last_email;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_def_subject_message;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_def_message_type;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_def_message;
 
     /**
-     * @var string {@from body}
+     * @var string {@from body} {@required false}
      */
     public $tas_def_message_template;
 }