Custom connector in canvas app: how to select default parameter for action

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Posted on by packnology

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Hi,

I have created a custom connector to an Azure API and added it to my canvas app. One of the connector actions has a fixed query parameter which I have set to "Required" and "Internal" and specified the query text as default in the custom connector settings. When I go to add an action call in my canvas app it shows that there is a parameter required, and that there is a default value, but I can't figure out how to get it to use the default value! If I leave it blank it complains about the missing parameter, if I put a value it overrides the default (which I never want to do for this action). I tried putting the Default property as the parameter, which the app designer UI was happy with, but then my API tries to use that as the query string and fails. It seems like this should be simple but I'm missing something. Any help greatly appreciated.

Thanks,

Greg

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Building Power Apps

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poweractivate 11,078 Most Valuable Professional on at

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@packnology

If the Required Schema Property is set to No instead of Yes in the Custom Connector schema definition for that parameter, and the Default value is left in there in the schema definition, what happens? So now after changing the Required from Yes to No (but making sure a Default Value is still defined in the Schema), try to omit the argument from the PowerApps formula entirely - does this end up including the default value anyway, in the way you want, in the actual API call that is sent to the back-end?

Check if the above works.

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UshiraShehan 4 on at

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Hi @packnology ,
I found the solution for the problem.

You can choose No for the required option and then choose "advanced" for the Visibility option. A screenshot is attached herewith for your reference.

FYI; the visibility options as follows:
important - operations and parameters are always shown to the user first.
advanced - operations and parameters are hidden under an additional menu.
internal - operations and parameters are hidden from the user.

Screenshot 2023-1...

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