Custom Connector - Webhook

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Posted on by jethamer

Hi,

I'm new to Custom Connectors - have got an Action working with Trello API but struggled with the Triggers.

I then tried just doing it with the example shown here: https://docs.microsoft.com/en-us/connectors/custom-connectors/create-webhook-trigger under "Create webhook triggers from the UI" and I'm getting the error code of:

Specified swagger failed validation: 'The operation is not valid, it must contain at least one response definition.'

Any ideas? My webhook response section looks like:

I'm not sure if I'm missing anything...

Thanks!

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v-litu-msft Microsoft Employee on at

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Hi @jethamer,
What's the previous step creating the Trello Webhooks trigger?
The error information is that it must contain at least one response definition, so you might miss the response definition.

About Trello Webhooks you can have a reference on this blog:
https://developers.trello.com/page/webhooks

Please have a try, I hope it can help you.
Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
jethamer 6 on at

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Hi @v-litu-msft ,

Thanks for the response. The error code I obtained was actually from following the linked step by step guide from Microsoft docs!

Thanks,

Stephen
jethamer 6 on at

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It just started working again - no idea what happened there. Thanks for the response.
v-litu-msft Microsoft Employee on at

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Hi @jethamer,

Congratulations. I'm glad your problem was solved.

Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
jethamer 6 on at

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Hi @v-litu-msft ,

Another error has risen out of this, I'm not sure if it's best to reply here or to create a new post.

Now the Webhook is working, Trello expects the CallbackURL to return a 200 HTTP Status Code. It doesn't appear to be doing so and Trello disables webhooks which do not return a satisfactory code in 30 days.

Is there any way to configure the connector to send a 2xx status code?

Thanks,

Stephen
v-litu-msft Microsoft Employee on at

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Hi @jethamer,

Maybe you can have a reference to this post:

https://sergeluca.wordpress.com/2018/02/04/pattern-implementation-for-making-long-async-http-calls-in-microsoft-flow-part-2-http-webhook/

Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.