I want to trigger a Canvas using an API but also have that Canvas fire a Webhook message at the end of processing.
I would like to pass in some information in the API trigger payload that would dyn...
Looks like you can use API Trigger Properties in the Webhook URL field. And interestingly, since the URL field is a long text input, you can do all sorts of things using Liquid (fun!). How does the second screenshot look as a potential solution?
If reporting is important and you need to use two separate message steps, then you should be able to apply the exact same process/logic that I wrote in this blog below. We use the User Update step to log the necessary data as a custom attribute, which you can then use to set up the Audience Path to differentiate the Webhook URLs.