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Add an event for a contact

Records a named event, with optional properties and time, for one audience contact.

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Updated Sep 27, 2026Available asAPI

Description

The event `name` is 2 to 30 characters, such as `purchased`; `occurred_at` takes an ISO 8601 time. Events can trigger automations; set `is_syncing` to `true` when importing ones that shouldn't.

add-list-member-event.md

Add an event for a contact

Records a named event, with optional properties and time, for one audience contact.

The event name is 2 to 30 characters, such as purchased; occurred_at takes an ISO 8601 time. Events can trigger automations; set is_syncing to true when importing ones that shouldn't.

Set up

Use the first option your agent supports.

API (official)

Before doing anything else, make one read-only call to confirm access.

Rules

  • Ask the user before anything that sends messages, costs money, or changes data.
  • Never print API keys.

Built from these files in the repository

The layout and the rules come from lib/catalog/render-markdown.ts, the set-up wording from lib/catalog/render-access.ts.

Ways in

RouteSourceCallRequiredDocs
APIOfficialPOST /lists/{list_id}/members/{subscriber_hash}/eventsAPI key in $MAILCHIMP_API_KEYDocs

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