diff --git a/backend/custom_templates.json b/backend/custom_templates.json
index c31743b..c11ee35 100644
--- a/backend/custom_templates.json
+++ b/backend/custom_templates.json
@@ -34,5 +34,27 @@
       "button_index": 0,
       "param_key": "event_id"
     }
+  },
+  "hina_invitation": {
+    "meta_name": "hina_invitation",
+    "language_code": "he",
+    "friendly_name": "הזמנה לחינה",
+    "description": "הזמנה לאירוע חינה עם שם אישי וקישור דינמי",
+    "header_type": "TEXT",
+    "header_text": "",
+    "header_params": [],
+    "body_text": "היי {{1}} 🤍\n\nמוזמנת לחינה שלנו!\n\nרק בנות ✨\nארוחה חלבית\n\nנשמח לאישור הגעה בקישור המצורף 🙏",
+    "body_params": [
+      "contact_name"
+    ],
+    "button_type": "URL",
+    "button_url": "https://invy.dvirlabs.com/guest/{{1}}",
+    "button_text": "הצבע על הזמנה",
+    "button_param_key": "event_id",
+    "fallbacks": {
+      "contact_name": "חבר",
+      "event_id": "event-id"
+    },
+    "guest_name_key": ""
   }
 }
\ No newline at end of file
diff --git a/backend/main.py b/backend/main.py
index a0c440c..68d09a5 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -81,25 +81,38 @@ def _fix_template_parameters():
         
         if template:
             # Expected correct parameters for hina_invitation
-            # Body {{1}} = contact_name (guest's name)
-            # Button {{1}} = event_id (sent as separate button parameter)
+            # Body {{1}} = contact_name (guest's name in greeting)
+            # Button {{1}} = event_id (sent as separate button parameter in URL)
             expected_params = ["contact_name"]
+            expected_button_param_key = "event_id"
             
             try:
                 current_params = json.loads(template.body_params)
             except:
                 current_params = []
             
-            # Check if parameters need fixing
+            needs_fixing = False
+            
+            # Check if body parameters need fixing
             if current_params != expected_params:
-                print(f"[startup] Fixing hina_invitation template parameters...")
+                print(f"[startup] Fixing hina_invitation template body parameters...")
                 print(f"  Old: {current_params}")
                 print(f"  New: {expected_params}")
-                
                 template.body_params = json.dumps(expected_params)
-                if not template.header_type:
-                    template.header_type = "IMAGE"
-                
+                needs_fixing = True
+            
+            # Check if button parameter key is set correctly
+            if not template.button_param_key or template.button_param_key != expected_button_param_key:
+                print(f"[startup] Setting hina_invitation button parameter...")
+                template.button_param_key = expected_button_param_key
+                needs_fixing = True
+            
+            # Check header type
+            if not template.header_type:
+                template.header_type = "TEXT"
+                needs_fixing = True
+            
+            if needs_fixing:
                 db.commit()
                 print(f"  ✓ Template fixed!")
     except Exception as e:
@@ -2017,9 +2030,7 @@ async def test_whatsapp_send(
         result = await service.send_by_template_key(
             template_key=template_key,
             to_phone=phone,
-            params=params,
-            event_id=params.get("event_id"),
-            guest_id=None,
+            params=params
         )
         
         logger.info(f"[TEST] Message sent successfully: {result}")