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Unknown or unsupported function in Power Fx formula bar

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Posted on by kcward55

Hi all,

I am adding a custom button to the command bar in a model driven app. Certain functions (such as ClearCollect) in the formula bar give me the message:

'ClearCollect' is an unknown or unsupported function.

Using 'Patch' on the other hand works fine. As I type, Intellisense offers 'Patch' as a suggestion which I can accept and continue on.

According to the online documentation ClearCollect is valid for model driven apps. When I added the command button I chose Power Fx, not Javascript. My component library was built successfully. I have not been able to find any setting that I have missed, although I suppose that is still a possibility.

What am I missing?

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Building Power Apps

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v-bofeng-msft Microsoft Employee on at

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Hi @kcward55 ,

I'm afraid ClearCollect is not supported for with commanding in model-driven apps, cause clear and collect are not supported.

I think this link will help you a lot:

https://learn.microsoft.com/en-us/power-apps/maker/model-driven-apps/commanding-use-powerfx#functions-not-supported

Best Regards,

Bof

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kcward55 65 on at

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Thanks for this information. Greatly appreciated.

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