Starts a workflow from Slack: a message in chosen channels, a direct message, or an emoji reaction, optionally filtered by criteria you describe in plain English.
What the architect sets up
Which channels to watch, and whether direct messages count
Emoji reactions that can start a run
Plain-English criteria for which messages qualify
As it appears in the workflow's entry-points panel in the editor.
How it behaves in a run
This is an entry point: it's how runs of the workflow begin.
