Reply buttons block
WhatsApp Business interactive reply-buttons message.
Config
- Body text — required, max 1024 chars
- Footer — optional, max 60 chars
- Header — optional, can be text / image / video / document
- Buttons — 1 to 3 quick-reply buttons. Each has:
- Title — what the customer sees, max 20 chars, unique per message (Meta rejects duplicates with code 131009)
Behaviour
- Sends as
interactive { type: "button" }to Meta - The runtime stamps each button id as
s[stepId]-btn-[hash]at publish time so the reply matches the right edge even after future republishes - The flow PARKS at this step; the customer’s tap on a button advances via the wired socket
- 24-hour window applies — outside that, Meta rejects
Each button has its OWN green socket on the canvas → wire it to the step you want to advance to. An un-wired button works but the flow completes when it’s tapped (no downstream).
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