Keys/Values are not saved in Webhook (HELP!)

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Posted on by EW-05090928-0

Hi,

I'm trying to create a webhook that's calling a HTTP callable Power Automate Flow.

For authentication, I need to add several Key/value pairs to the webhook registration.

I've done this before and it did work. But now, every time I add a Key/Value and hit Save, it's not saved.

Opening it up again (via Update) and all Key/Value pairs are gone.

I've tried the Registration tool in XR< Toolbox and the Plugin Registration Tool from MS. Nothing.

Any ideas? I'm desperate...

Thanks,

Ernst Wolthaus

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Microsoft Dataverse with Power Apps

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Ram Prakash Duraisamy 5,877 Super User 2026 Season 1 on at

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Hi @ErnstWolthaus

Can you please try unregister and register again.

Please mark as Answer if it is helpful and provide Kudos

Subscribe : https://www.youtube.com/channel/UCnGNN3hdlKBOr6PXotskNLA
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EW-05090928-0 77 on at

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Already tried that multiple times. No result.

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Ram Prakash Duraisamy 5,877 Super User 2026 Season 1 on at

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Hi @ErnstWolthaus

Try downloading recent version of Plugin Registation tool and try again.

Please mark as Answer if it is helpful and provide Kudos

Subscribe : https://www.youtube.com/channel/UCnGNN3hdlKBOr6PXotskNLA
Follow me on Twitter : @rampprakashd
Blog : https://microsoftcrmtechie.blogspot.com

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EW-05090928-0 77 on at

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Already checked, I use the most recent version.

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Ram Prakash Duraisamy 5,877 Super User 2026 Season 1 on at

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Hi @ErnstWolthaus

These are the suggestions am having, let's wait for others comments

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EW-05090928-0 77 on at

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I'm convinced this is a bug. Also tried an older version of the Plugin Registration Tool. Didn't work either.

Microsoft, please investigate and resolve...

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Ram Prakash Duraisamy 5,877 Super User 2026 Season 1 on at

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Hi @ErnstWolthaus

You are good to raise Microsoft Ticket by following my video https://youtu.be/onTmT01rvEw

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EW-05090928-0 77 on at

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Solved it (kinda)!

It appears this is a safety feature. Once you added the key/value pairs and saved them in the Plugin Registration Tool, when you open up the webhook again, it will not show you the values. This is confirmed by Microsoft.

You can test a webhook by using this scenario. You will see (even if you cannot see the k/v pairs anymore in the plugin registration tool) that the k/v pairs are visible in the resulting request.

https://docs.microsoft.com/en-us/power-apps/developer/data-platform/test-webhook-registration

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slx 108 on at

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I have similar issues - when I register the webhook I get message Type Name - Error - Unable to retrieve the TypeName

Do you have any suggestions?

thank you

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