Actions21
Messenger → Add User-data
AI-generatedSummary
Adds a value to a subscriber’s user-data field in MMIO. Provide the subscriber ID, variable key, and value; the node sends a POST request to the subscriber’s user-data endpoint.
Inputs
- Subscriber ID (required) — The subscriber’s ID.
- Variable Key (required) — The user-data variable key to set.
- Value (required) — The value to add for that key.
Output shape
A single response item from the MMIO API, wrapped as n8n JSON output.
Requires MMIO API credentials. The node sends the value in the request body as
value; if it is empty, the source omits the body.