Unfortunately ADF doesnt have that in built trigger functionality.
So for you to have an event based flow, you would have to use Power automate
https://powerusers.microsoft.com/t5/Using-Connectors/I-want-to-start-a-new-flow-trigger-when-a-value-in-a-Sharepoint/td-p/2009547#:~:text=1)%20You%20trigger%20the%20workflow,lots%20of%20flows%20using%20this.%20You%20trigger%20the%20workflow,lots%20of%20flows%20using%20this.)
and trigger the ADF pipeline via it