How do I pass values into Power Automate

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Posted on by badgerfifteen

In my scenario, a user will select an option from a drop-down box which will drive other values to correspond to that selected dropdown value. This will then be passed into Power Automate to be used in a HTTP POST request. The only issue is, is that I can't get it to pass down. I don't have the 'Ask Power Apps' option in Dynamic content. Any ideas?

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Building Power Apps

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realwillwright 772 Moderator on at

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Hi,

Sometimes you have to click 'Show More' to show the ask in power apps option in the dynamic options

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mmbr1606 14,629 Super User 2026 Season 1 on at

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what exactly is your use case? are u building an app or aything else?

i guess this is a better place to ask:

Microsoft Power Platform Community Forum Thread

cheers

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badgerfifteen 25 on at

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@mmbr1606 Yes, I am building an app. A user will select an option, input some values into a text field and then these values are sent as a POST request through to an API.

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badgerfifteen 25 on at

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realwillwright it doesn't appear :(

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mmbr1606 14,629 Super User 2026 Season 1 on at

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since the power apps v2 trigger came out there is no ask in powerapps anymore

have a look here:

Use the Power Automate v2 Trigger for Power Apps

if it helped please mark as verified answer

cheers

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SaiRT14 1,992 Super User 2025 Season 1 on at

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Pls check out the following:

create the flow that contains the HTTP POST request action.

Add the HTTP POST request action in the flow.

initialize a variable or compose action to receive the input parameter from Power Apps.

Add a Compose action in the flow.

Click Compose, and under Dynamic Content, select Ask in PowerApps.

Respond to PowerApps action at the end of the flow to send the result back.

create or select the dropdown control that will drive the values.

Dropdown1.Items = ["Option1", "Option2", "Option3"]

When the user selects a value from the dropdown, use the OnSelect or a button’s OnSelect event to call Power Automate and pass the selected value.

In Power Apps, you need to call the flow and pass the selected value from the dropdown as an argument.

Set(response, FlowName.Run(Dropdown1.Selected.Value)

try out and let me know.

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