Custom rich attributes are supported via ARC16, an extension to ARC3. We should support them here https://github.com/algorandfoundation/ARCs/blob/main/ARCs/arc-0016.md
Custom rich attributes are supported via ARC16, an extension to ARC3.
We should support them here
https://github.com/algorandfoundation/ARCs/blob/main/ARCs/arc-0016.md