Retrieve Multi dropdown from things

Need help
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Hi, I used multi dropdown to select options in input. I saved content to a list of texts variable type in a thing. It saved ok.

Now I am trying to bring the value from the thing record to an edit form, in an input box of the same type multi dropdown, but it has been impossible. Repeating Group that retrives data is named Requests and the text list variable is named countries.

  1. I’ve tried to assign the value from the thing field to the multi dropdown input but obtained error: Parent’s group Request’s Countries
  2. I retrieved the thing’s list to a repeating group inside the main group, but the multi dropdown input does not recognize the repeating group
  3. I retrieved the thing’s list to a repeating group inside the main group, then I assigned the list of texts to a text field inside the main group, but the multi dropdown input does not recognize the text field
  4. I retrieved the thing’s list to a repeating group inside the main group, then I assigned the list of texts to an input text field inside the main group, although the multi dropdown input does recognize the input text field, I don’t find how to assign the text list to the multi dropdown.

Thanks for help.

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