
Hi @Bill Long ,
We need to build SharePoint Adaptive Card by Extension project. Currently there is no Adaptive Cards we can use without development. Since Adaptive Card Extensions use Microsoft's Adaptive Card Framework to generate UI with its declarative JSON schema, you only need to focus on your component's business logic and let the SharePoint Framework (SPFx) handle making your component look good and work across all platforms.
Please refer to following steps to build your Adaptive Card
https://learn.microsoft.com/en-us/sharepoint/dev/spfx/viva/get-started/build-first-sharepoint-adaptive-card-extension
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