Everyone sends messages in Slack differently. Here’s a high-level breakdown of how Slack messages create threads in Plain:

  1. Multiple messages in main channel - multiple messages sent subsequently in the main channel will be treated as one thread in Plain. Slack Setup 1 Slack Setup 2

  2. Messages in a Slack thread- All messages on a Slack thread will be mapped to the thread in Plain created by the message in the main channel. Slack Setup 3 Slack Setup 4

  3. Multiple messages in the main channel, separated by a thread - Once a Slack thread is created, the next message in the main channel will create a new thread in Plain. Slack Setup 5 Slack Setup 6

You can also configure alternative ingestion modes, based on your preference, see Ingestion Modes