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| subject | string | Activity's subject that will appear in the title of the activity. This is only possible if the user executing the request is the owner of the activity. |
|---|---|---|
| body | string | The content of the activity. This is only possible if the user executing the request is the owner of the activity. |
| medium | string | Type of activity to create. This can be: note, meeting, report, email, call, postal, fax, sms, twitter or event_log. |
| scheduled | boolean | Has the activity been scheduled? |
| visibility | string | This can be: all, confidential or private. This is only possible if the user executing the request has an interaction with the activity. |
| details | string | Additional details assigned to an activity. |
| priority_id | unsigned | |
| class_id | unsigned | |
| message_id | string | Custom message id given to the activity. |
| date_started | unix ts | Seconds since UTC |
| date_due | unix ts | Seconds since UTC |
| date_ended | unix ts | Seconds since UTC |
| _fields | string | Allows you to specify optional fields and linked objects to include in the response, if successful. |
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