| Name | Type | Description | Notes |
|---|---|---|---|
| identifier | String | Unique identifier for the contact. | |
| amount | Number | Recognized revenue amount associated with the event. | |
| currency | String | Currency code (ISO 4217) for the revenue (e.g., 'USD', 'EUR', 'INR'). | |
| source | String | Source of the revenue (e.g., 'website', 'mobile app', 'partner referral'). | |
| time | Number | Unix timestamp indicating when the revenue event occurred. |