> For the complete documentation index, see [llms.txt](https://docs-en.dmflow.chat/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-en.dmflow.chat/chatbot/broadcast.md).

# Broadcasting

#### Filters

Messages are sent based on tag filters.

#### Self-Registration

When invoking the registration node, channel users are asked to subscribe before sending messages.