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I know this question is asked many times. But i do not understand any of it. I have an adaptive card called the people-picker in the Bot Framework Composer. It has a choice field called people-picker and a button. The only thing i need is to return the choice of the choice-field the user has chosen by clicking on the button. How can i do that?

Gr. P

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Hey @CU16021406-1

when someone clicks Submit on an Adaptive Card, the bot doesn't receive a normal text message , it receives a message activity with empty text and a value object, where each input's id becomes a key. So the choice the user picked lives in turn.activity.value.<yourInputId>. That's the whole trick.

But your screenshot shows the real problem: you're sending the card from a "Send a response" action. That fires the card and immediately moves on, it never waits for the submit, so there's nothing to capture. You need to send it from a question action instead.

you can Try the below:

In the card JSON, give your choice field an id, and don't use hyphens. Name it peoplePicker, not people-picker. In Composer expressions turn.activity.value.people-picker gets read as a subtraction and breaks. (If you must keep the hyphen, reference it as turn.activity.value['people-picker'].)
Replace the "Send a response" with Ask a question with Text input, and set its Prompt to ${AdaptiveCardPeople()} (your existing card template).
On that input action, set:
- Property where to store it, e.g. dialog.peopleChoice
- Value (under Prompt configurations / advanced) =turn.activity.value.peoplePicker
- Max turn count 0

That last setting matters: because the card submit comes back with empty text, the input assumes the user didn't answer and re-prompts the card in a loop. Setting max turn count to 0 stops that. (Some people fix the same loop by making the question the last action in the step, either works.)

After that, dialog.peopleChoice holds the selected value and you can use it anywhere downstream.
Reference: Action.Submit on the official Adaptive Cards site, adaptivecards.io/explorer/Action.Submit.html (submitted inputs are returned in the activity's value field). For a full step-by-step with screenshots, Jamie Maguire's "How to Capture Data and Events from Adaptive Cards in Bot Framework Composer" walkthrough is the clearest one out there.

hope that will help you.

Cheers,