diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 060eafe5f..8f2762413 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -2688,6 +2688,31 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             }
             break;
         }
+        case SMART_ACTION_SET_GUID:
+        {
+            for (WorldObject* target : targets)
+            {
+                ObjectGuid guidToSend = me ? me->GetGUID() : go->GetGUID();
+
+                if (e.action.setGuid.invokerGUID)
+                {
+                    if (Unit* invoker = GetLastInvoker())
+                    {
+                        guidToSend = invoker->GetGUID();
+                    }
+                }
+
+                if (Creature* creature = target->ToCreature())
+                {
+                    creature->AI()->SetGUID(guidToSend, e.action.setGuid.index);
+                }
+                else if (GameObject* object = target->ToGameObject())
+                {
+                    object->AI()->SetGUID(guidToSend, e.action.setGuid.index);
+                }
+            }
+            break;
+        }
         default:
             LOG_ERROR("sql.sql", "SmartScript::ProcessAction: Entry {} SourceType {}, Event {}, Unhandled Action type {}", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());
             break;
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index b308d5582..0d7aefb4e 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -762,6 +762,7 @@ bool SmartAIMgr::CheckUnusedActionParams(SmartScriptHolder const& e)
             case SMART_ACTION_ZONE_UNDER_ATTACK: return NO_PARAMS;
             case SMART_ACTION_LOAD_GRID: return NO_PARAMS;
             case SMART_ACTION_MUSIC: return sizeof(SmartAction::music);
+            case SMART_ACTION_SET_GUID: return sizeof(SmartAction::setGuid);
             default:
                 LOG_WARN("sql.sql", "SmartAIMgr: entryorguid {} source_type {} id {} action_type {} is using an action with no unused params specified in SmartAIMgr::CheckUnusedActionParams(), please report this.",
                             e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType());
@@ -1914,6 +1915,7 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
         case SMART_ACTION_SET_CORPSE_DELAY:
         case SMART_ACTION_ATTACK_STOP:
         case SMART_ACTION_PLAY_CINEMATIC:
+        case SMART_ACTION_SET_GUID:
             break;
         default:
             LOG_ERROR("sql.sql", "SmartAIMgr: Not handled action_type({}), event_type({}), Entry {} SourceType {} Event {}, skipped.", e.GetActionType(), e.GetEventType(), e.entryOrGuid, e.GetScriptType(), e.event_id);
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index 0c1385ea8..40583daa5 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -692,8 +692,9 @@ enum SMART_ACTION
     SMART_ACTION_CU_ENCOUNTER_START                 = 222,    // Resets cooldowns on all targets and removes Heroism debuff(s)
     SMART_ACTION_DO_ACTION                          = 223,    // ActionId
     SMART_ACTION_ATTACK_STOP                        = 224,    //
+    SMART_ACTION_SET_GUID                           = 225,    // Sends the invoker's or the base object's own ObjectGuid to target
 
-    SMART_ACTION_AC_END                             = 225,    // placeholder
+    SMART_ACTION_AC_END                             = 226,    // placeholder
 };
 
 enum class SmartActionSummonCreatureFlags
@@ -1357,6 +1358,12 @@ struct SmartAction
         {
             uint32 entry;
         } cinematic;
+
+        struct
+        {
+            SAIBool invokerGUID;
+            uint32 index;
+        } setGuid;
         //! Note for any new future actions
         //! All parameters must have type uint32