I would like to use the slack_sdk.models functionality, but cannot find any examples or a section in the user guide on the docs?

The Formatting with Block Kit section does not use this functionality so does not provide a usage example.

Is there a section of the docs I cannot find?

I'm pretty lost seeing as there are no typehints/key word prompts, just kwargs for chat_postMessage. And the most discoverable function in https://github.com/slackapi/python-slack-sdk/blob/main/slack_sdk/models/__init__.py#L13 tells me not to use it. The API reference in the docs leaves me non the wiser on how to use this functionality.