Actions75
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- Session Actions
Message → Reply
AI-generatedSummary
Reply to a message in a chat using a selected session.
Inputs
- sessionId (required) — Session identifier. Select from the list or use an expression. Falls back to credentials default if empty.
- chatId (required) — The chat ID that contains the message
- messageId (required) — Unique WhatsApp identifier for the message
- contentType — The type of reply content to send
- content (required) — The text content of the reply
- contentJson (required) — The content object (media, location, or contact). See API docs for the expected JSON structure.
Output shape
a single reply message object
Returns details of the sent reply (including message ID); errors are propagated.
Examples
Example 1: Reply with plain text to the latest message
sessionId=default, chatId=34612345678@c.us, messageId=true_34612345678@c.us_ABC, contentType=string, content=Ok, contentJson={}
Example 2: Reply with an image using base64 content
sessionId=default, chatId=34612345678@c.us, messageId=true_123@c.us_XYZ, contentType=MessageMedia, contentJson={"url":"data:image/png;base64,…"}