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hey Oliver, sorry you're not getting much help here - unfortunately I'm not super familiar with these functions/workflow, but perhaps you might get some assistance on stackOverflow?

i hate to direct your somewhere else, so I'll see if I can figure something out later today

I _think_ I might have just figured it out. The `eventType` should be `google.pubsub.topic.publish` instead of `providers/cloud.pubsub/eventTypes/topic.publish` . The docs here: <https://www.pulumi.com/docs/reference/pkg/gcp/cloudfunctions/function/#functioneventtrigger> send you to the docs here: <https://cloud.google.com/functions/docs/calling/pubsub>. In those docs they show the current way, which doesn't match the Resource in Pulumi, and the legacy way which does match the Resource but uses the wrong trigger.

A nicer error message would be dandy though I think you're just showing what Google sent you so that seems hard :disappointed:

would you be able to post the full example if it's working, or DM it to me? I'd love to create an example to refer to for others

I'd be happy to but the code I have to do this isn't super simple because I've set up a "self deploy" system where the code for a cloud function can have a `deploy.yml` file in it's directory and we auto-discover that, build the function from it, determine the trigger type from it, etc. so there's some yml parsing, `if` statements, etc.

The important bit of code is this however:

```        trigger_args = gcp.cloudfunctions.FunctionEventTriggerArgs(
            event_type='google.pubsub.topic.publish',
            resource=topic.id)
        function_args['event_trigger'] = trigger_args```