diff --git a/workflow/engine/src/ProcessMaker/Model/Application.php b/workflow/engine/src/ProcessMaker/Model/Application.php
index d0dd1f479..2ca974844 100644
--- a/workflow/engine/src/ProcessMaker/Model/Application.php
+++ b/workflow/engine/src/ProcessMaker/Model/Application.php
@@ -7,4 +7,23 @@ use Illuminate\Database\Eloquent\Model;
 class Application extends Model
 {
     protected $table = "APPLICATION";
+    // Our custom timestamp columns
+    const CREATED_AT = 'APP_CREATE_DATE';
+    const UPDATED_AT = 'APP_UPDATE_DATE';
+
+    public function delegations()
+    {
+        return $this->hasMany(Delegation::class, 'APP_UID', 'APP_UID');
+    }
+
+    public function parent()
+    {
+        return $this->hasOne(Application::class, 'APP_PARENT', 'APP_UID');
+    }
+
+    public function currentUser()
+    {
+        return $this->hasOne(User::class, 'APP_CUR_USER', 'USR_UID');
+    }
+
 }
diff --git a/workflow/engine/src/ProcessMaker/Model/Delegation.php b/workflow/engine/src/ProcessMaker/Model/Delegation.php
index c33dd4e32..366666c1c 100644
--- a/workflow/engine/src/ProcessMaker/Model/Delegation.php
+++ b/workflow/engine/src/ProcessMaker/Model/Delegation.php
@@ -8,6 +8,9 @@ class Delegation extends Model
 {
     protected $table = "APP_DELEGATION";
 
+    // We don't have our standard timestamp columns
+    protected $timestamps = false;
+
     /**
      * Returns the application this delegation belongs to
      */
diff --git a/workflow/engine/src/ProcessMaker/Model/Process.php b/workflow/engine/src/ProcessMaker/Model/Process.php
index e9b3cb972..abaac4e7a 100644
--- a/workflow/engine/src/ProcessMaker/Model/Process.php
+++ b/workflow/engine/src/ProcessMaker/Model/Process.php
@@ -14,9 +14,9 @@ class Process extends Model
 {
     // Set our table name
     protected $table = 'PROCESS';
-    // We do have a created at, but we don't store an updated at
+    // Our custom timestamp columns
     const CREATED_AT = 'PRO_CREATE_DATE';
-    const UPDATED_AT = null;
+    const UPDATED_AT = 'PRO_UPDATE_DATE';
     
     /**
      * Retrieve all applications that belong to this process
@@ -26,4 +26,9 @@ class Process extends Model
         return $this->hasMany(Application::class, 'PRO_ID', 'PRO_ID');
 
     }
+
+    public function creator()
+    {
+        return $this->hasOne(User::class, 'PRO_CREATE_USER', 'USR_UID');
+    }
 }
\ No newline at end of file
diff --git a/workflow/engine/src/ProcessMaker/Model/Task.php b/workflow/engine/src/ProcessMaker/Model/Task.php
index ad2812698..75c8e2fee 100644
--- a/workflow/engine/src/ProcessMaker/Model/Task.php
+++ b/workflow/engine/src/ProcessMaker/Model/Task.php
@@ -7,6 +7,8 @@ use Illuminate\Database\Eloquent\Model;
 class Task extends Model
 {
     protected $table = 'TASK';
+    // We do not have create/update timestamps for this table
+    protected $timestamps = false;
 
     public function process()
     {
diff --git a/workflow/engine/src/ProcessMaker/Model/User.php b/workflow/engine/src/ProcessMaker/Model/User.php
index f8c992bc1..40fc1be55 100644
--- a/workflow/engine/src/ProcessMaker/Model/User.php
+++ b/workflow/engine/src/ProcessMaker/Model/User.php
@@ -7,6 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class User extends Model
 {
     protected $table = "USERS";
+    // Our custom timestamp columns
+    const CREATED_AT = 'USR_CREATE_DATE';
+    const UPDATED_AT = 'USR_UPDATE_DATE';
 
     /**
      * Returns the delegations this user has (all of them)