Is it possible to trigger a Power Apps formula once a button in a code component is clicked?

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Posted on by arpost

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Greetings, community. I'm working on a code component and am wanting to configure it in such a way that a button clicked in the component will output a number and trigger Power Apps code that a maker sets in the Power Apps Editor. Can anyone help point me in the right direction to find more info on how to do this?

I'm thinking of the same event/action properties in standard Power Apps components that let app makers define the PowerFX code that gets run and the component can trigger it.

Not sure if the attached visual can be accessed or not (couldn't insert a picture directly for some reason), but that visualizes this process.

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Power Apps Pro Dev & ISV

Code Component De...

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Michael E. Gernaey 53,433 Super User 2025 Season 2 on at

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Hi

If I might ask, does this have to be a Code Component? Can it just be a Canvas App Component? In which case it would be super easy.

1. Create the Component

2. Add an Event

3. In the Button , call the event, passing it data or whatever you want

4. Click to your UI (screen)

5. Find the Component and select it

6. Click the Drop down in the top left for its Properties, you will see the Event

7. Do whatever you want on the App Side and you simply access the data based on the Parameter Name you passed

Will this work?

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arpost 455 on at

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@FLMike, thanks for the reply. This does indeed need to be a code component as I am working to actually create my own version of the HTML component so that I can have HTML elements (e.g., spans) emit data based on clicks. This behavior can't be achieved with any existing controls in native Power Apps.

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Diana Birkelbach 3,072 Most Valuable Professional on at

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Hi @arpost,

You could use a bound or output PCF property for that. If you change that value (call notifyOutputChanged), you trigger an OnChange event in PowerApps, where you can define PowerFx formulas to do the work.

Another approach is to define some custom events.

You can find more details in my blog psot: https://dianabirkelbach.wordpress.com/2023/12/21/pcf-custom-events-sneak-peak/

Hope it helps!
Diana

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CU30071006-2 8 on at

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Yes, you can trigger a Power Apps formula from a button in a code component by using the `notifyOutputChanged` method in your component code. You’ll need to set up the Power Apps formula to handle the event when it receives data from the component. Check the Power Apps component framework documentation for details on how to configure this.

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CU30071006-2 8 on at

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Yes, you can trigger a Power Apps formula from a button in a code component by using the `notifyOutputChanged` method in your component code. You’ll need to set up the Power Apps formula to handle the event when it receives data from the component. Check the Power Apps component framework documentation for details on how to configure this.

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