| Connected Account | The connected account to use for the request | Connected Account | Yes | |
| Workspace ID | | Text (Short) | Yes | |
| Member ID | | Text (Short) | Yes | |
| Title | | Text (Short) | Yes | |
| Activity type ID | A user-defined way to group activities of the same nature | Text (Short) | No | |
| Description | A description of the activity; displayed in the timeline | Text (Long) | No | |
| Key | Supply a key that must be unique or leave blank to have one generated | Text (Short) | No | |
| Link | A URL for the activity; displayed in the timeline | Link | No | |
| Link text | The text for the timeline link | Text (Short) | No | |
| Occurred at | The date and time the activity occurred; defaults to now | Datetime | No | |