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I'm trying to setup Slack notifications via Prefect Cloud Automations but it looks like it only works for incoming webhooks instead of a bot token. That means each new channel requires a new webhook, which would be annoying to setup.

Is it possible for me to add a new block type that I could use when notifying? I'm unsure how the `notify` capability on blocks works but it looks like I can only select a block if it can `notify`.

I can make an issue but I'm curious if this would be in the `prefect` repo or the `prefect-slack` repo. If it's just in `prefect-slack` I might be able to add a PR myself.

Do I just need to add a `notify` method to the <https://github.com/PrefectHQ/prefect-slack/blob/main/prefect_slack/credentials.py|SlackCredentials> class, similar to how it exists for the SlackWebhook class?

Hi John, thanks for letting us know.  Automations is a unique case where we are actually running the block code server-side on Prefect Cloud, so we don't use any of the public/community-maintained blocks there for security reasons.

If you were game to make a PR to `prefect-slack` with what you had in mind, I can backport that to Prefect Cloud as well.  Otherwise, send us a GH issue on the `prefect-slack` repo spelling out what you'd like to be able to do