Important note about accessibility: In version 1.3 of the schema we introduced a label property on Inputs to improve accessibility. If the Host app you are targeting supports v1.3 you should use label instead of a TextBlock as seen in some samples below. Once most Host apps have updated to the latest version we will update the samples accordingly.
Defines various metadata properties
Introduced in version 1.6
||No||URL that uniquely identifies the card and serves as a browser fallback that can be used by some hosts.||1.6|
URL that uniquely identifies the card and serves as a browser fallback that can be used by some hosts.
- Required: No