diff --git a/backend/main.py b/backend/main.py
index e5b9221..f5f3dd4 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -934,6 +934,7 @@ async def send_wedding_invitation_bulk(
                 "event_date":   event_date,
                 "event_time":   event_time,
                 "guest_link":   per_guest_link,
+                "guest_id":     str(guest.id),  # guest UUID for button {{1}}
             }
 
             # Merge extra_params (user-supplied values for custom param keys)
diff --git a/frontend/src/components/TemplateEditor.jsx b/frontend/src/components/TemplateEditor.jsx
index 32bb65b..2b1fe41 100644
--- a/frontend/src/components/TemplateEditor.jsx
+++ b/frontend/src/components/TemplateEditor.jsx
@@ -10,7 +10,8 @@ const PARAM_OPTIONS = [
   { key: 'venue',        label: 'שם האולם',     sample: 'אולם הגן' },
   { key: 'event_date',   label: 'תאריך האירוע', sample: '15/06' },
   { key: 'event_time',   label: 'שעת ההתחלה',   sample: '18:30' },
-  { key: 'guest_link',   label: 'קישור RSVP',   sample: 'https://invy.dvirlabs.com/guest' },
+  { key: 'guest_link',   label: 'קישור RSVP מלא', sample: 'https://invy.dvirlabs.com/guest/abc123' },
+  { key: 'guest_id',     label: 'מזהה אורח (לכפתור)', sample: '4a0fd7f0-80c8-4832-8d82-984df7d25b60' },
 ]
 const SAMPLE_MAP = Object.fromEntries(PARAM_OPTIONS.map(o => [o.key, o.sample]))