# Events

A lot of things happen on your subscriber base every day:

* Activation (initial purchase, offer started...)
* Plan change (subscription upgraded, crossgraded, downgraded)
* Renewal (renewed, deferred)
* Cancellation (renewal disabled, enabled...)
* Reactivation
* Billing issue (grace period started, terminated, entered billing retry)
* Pause (will pause, paused...)
* Transfer
* Refund

![](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FGgUdOzhqa07uh7nB2iZA%2Fuploads%2F1IxOFocIcAh3cyRAN6jq%2FCapture%20d%E2%80%99e%CC%81cran%202021-10-20%20a%CC%80%2016.33.18.png?alt=media\&token=c5569251-7561-47d3-83bc-6861ff837c26)