Hi

I have been trying to set up Salesforce for Slack in my developer account connecting to Slack developer sandbox account. Things are fine with connection and I have a custom flow to send a message from Salesforce to slack using “send message” core action. It is posting link to the record but in slack it just appears as a link and does not unfurl into data and button as shown here.

Any suggestion on how to fix this?

CRUD layout and unfurl slack record layouts are working fine. When I post the same link manually as a user in slack, it works but when posted by the app “Salesforce for slack” by the flow it just remains as a link.

Thanks!