https://www.rudderstack.com/docs/sources/event-streams/sdks/mobile-sdk-apis/event-payload-customization-options/
Event Payload Customization Options in Mobile SDKs | RudderStack Docs
Complete reference for the available event payload customization options available in the Android (Kotlin) and iOS (Swift) SDKs.
event payload customizationmobile sdksoptionsrudderstackdocs