type | "call" | "email" | "task" | "meeting" | Yes | The kind of activity. |
subject | string | Yes | Subject / title. |
description | string | No | Longer notes for the body. |
related_to | string | No | A record that is not Contact/Lead: id or name. |
who | string | No | A Contact or Lead: id or name. |
due_date | string | No | Task due date, YYYY-MM-DD. |
start | string | No | Meeting start, ISO-8601. Required for meeting. |
end | string | No | Meeting end, ISO-8601. Required for meeting. |
status | string | No | Task status. Defaults to the org default. |
dry_run | boolean | No | Preview only; nothing is written. |