[BUG]: Preview does not render array bound elements

[garrytrinder]

We can use the $data property to repeat elements using an array of data, this is documented in the below Microsoft Docs page under the section Repeating items in an array.

https://docs.microsoft.com/en-us/adaptive-cards/templating/language#repeating-items-in-an-array

Given the following template and sample test data, a FactSet is used to render the displayName and userPrincipalName which has an array of User objects bound to the $data property of the FactSet object.

The preview does not render the list or values.

It is however correctly rendered in the AdaptiveCards.io designer when the Preview Mode is enabled.

I am suggesting that this is a bug due to the answer from @DeeJayTC on the below StackOverflow post which suggests that rendering of array bound elements is possible.

If you need a design time experience for array bound elements you can use Adaptive Cards Studio the Visual Studio Code Extension for card authoring.

https://stackoverflow.com/a/63233919/4871999

---

Template

{
  "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
  "type": "AdaptiveCard",
  "version": "1.4",
  "body": [
    {
      "type": "FactSet",
      "facts": [
        {
          "$data": "${users}",
          "title": "${displayName}:",
          "value": "${userPrincipalName}"
        }
      ]
    }
  ]
}

Data

{
    "users": [
        {
            "displayName": "Lidia Holloway",
            "userPrincipalName": "[email protected]"
        },
        {
            "displayName": "MOD Administrator",
            "userPrincipalName": "[email protected]"     
        },
        {
            "displayName": "Isaiah Langer",
            "userPrincipalName": "[email protected]"
        }
    ]
}

[DeeJayTC]

Thanks! Gotta check again if i can fix that...been a while since i posted that.