| Name | Type | Description | Notes |
|---|---|---|---|
| member_id | string | The unique member ID on the partner's database. | [optional] |
| grab_id | string | The id used to identify an unique grab user. | [optional] |
| merchant_id | string | The merchant's ID that is in GrabFood's database. | [optional] |
| action | string | Action completed in partner's webview. | [optional] |