'Customizing messages in Slack

There is an example of a message format that I want to achieve, the problem is that I can't find in the documentation how to customize the message in this way (I'm talking about the green line on the left, which changes color depending on Success\Failure) The message itself is generated by a third-party application and sent via integration into Slack. I would appreciate your help in finding docks about this enter image description here



Solution 1:[1]

Look here slack block, slack interactivity.

Block Kit Builder.

Bolt Python

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Solution 1 KrishnaR