| Mobile App | Mobile app SDKs (e.g. Android SDK, iOS SDK) | User events that occur on a mobile app are collected by mobile app SDKs (e.g. Android SDK, iOS SDK) |
| Web | Web SDK | User events that occur on the web are collected by the web SDK. |
| Channel (Media) | Tracking Link | View/impression events that occur on media ads are collected through tracking links. |
| Custom | (Server to server) Event API | Events from other sources such as offline sources are collected from server to server. |
