How to Delete Slack Message?

I read the doc and I don't see any example on how to delete slack message. How to delete slack message? or the feature is not available?

Start by reviewing the plugin documentation for Slack message operations and checking whether message deletion is supported. Confirm whether the missing example reflects an undocumented capability or an unavailable feature; done means the documentation clearly explains how to delete a message or states that the feature is unsupported.

Written by the indexing model from the issue text.