# Sending Events

Track contact actions and behavior by sending events to Positive User. Events require an identified contact - call ping() first if you haven't done so yet. See Contact Data.

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# Event types

Type	When to use
Custom events	Anything specific to your app - button taps, feature usage, form submissions
Product events	E-commerce actions - add to cart, purchase, view, refund, and more
Screen events	Screen visits and navigation

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# Event attribute types

All event methods accept a params dictionary. Supported value types:

Type	Example
String	"checkout"
Int	3
Double	49.99
Bool	true
ISO 8601 date string	"2024-09-28T12:51:33.137Z"

The SDK automatically attaches the contact identifier and a timestamp to every event.