Outside of the other help articles on data events, you can find more resources on the developer documents page. Once you are on the developer docs page, click "Data Events" to reveal a drop-down list.
On the Introduction page, you will find details on the various event triggers that you can use to trigger the data event code to run along with some examples on how to use event triggers.
On the Reference page, you will find details on the custom data event functions that you can use.
On the Examples page, you will find example data events that we have made for you to use.