How to execute a Cloud Function after Dataflow job has succeeded?

I want to trigger Cloud Function only if Dataflow job execution completed successfully.

Cloud Function should not be triggered if Dataflow job is failed.

I am running a Dataflow job using a Dataflow template (jdbc to BigQuery) from the the Dataflow UI.

There is no option to trigger any Cloud Function or something after job execution. Also, I can't make changes in template code. What's the way to trigger Cloud Function?

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