PowerApps trigger required to use custom connector

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Posted on by pvenky

Hello,

I have deployed a ASP.NET core web API app to my org's Azure tenant. It's a simple API app with a single API endpoint. I successfully created a Custom Connector in Flow and tested it.

When I try to use this connector action in an actual Flow, I am getting an error from Flow checker saying "Replace the trigger with PowerApps trigger to use the action 'xxx'." I currently have a Microsoft Forms trigger (on new Form submission).

I had originally configured my web API app to use Azure AD authentication. I thought perhaps the PowerApps trigger had to do with Azure AD auth, so I replaced the authentication mechanism with API key authentication. Unfortunately, that still creates the same issue.

I'd appreciate if someone could help me get around this requirement of a PowerApps trigger for using my custom connector.

Thanks,

Prasanna

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pvenky 9 on at

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Re: PowerApps trigger required to use custom connector

The problem went away when I created the custom connector and the flow inside a PowerApps solution. I was originally doing all this under my account in flow.microsoft.com. When I followed the tutorial at Build custom connectors for Power Automate - Learn | Microsoft Docs, I created the custom connector and an automated flow under a PowerApps solution in the maker portal - that resolved the error. Go figure!