Inside a channel
Take part in a channel conversation — post formatted messages, reply in threads, attach an image or PDF, see who's a member, and read a channel's details on the About tab.
Purpose
This is the conversation itself: how to post, reply in threads, attach a file, and find your way around a channel's Messages and About tabs.
When you use it
Any time you're actually talking in a channel — asking a question, answering one, sharing a document, or starting a focused side-thread off a particular message.
Posting and replying
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Write a message. Type in the composer at the bottom (it reads Message #channel-name). Use the formatting toolbar for bold, italic, strikethrough, inline code, links, bulleted and numbered lists, quotes, and code blocks. The Aa button hides or shows the toolbar.
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Send. Press Enter to send, or Shift+Enter for a new line — the hint "Enter to send · Shift+Enter for newline" sits under the composer.
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Mention someone. Use the @ button to start a mention.
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Attach a file. Use the attachment button to add a single image (JPEG, PNG, GIF, or WebP) or a PDF, up to 10 MB, per message. Images preview inline; PDFs show as a download chip. Remove a staged attachment with its × before sending.
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Reply in a thread. Hover a message and click the reply icon to open the Thread panel on the right, then reply there ("Reply…"). Threaded messages show a "replies" indicator on the original so conversations stay tidy.
Reading the timeline
The timeline groups consecutive messages from the same person and separates days with Today / Yesterday / date dividers. Messages you've edited show an (edited) marker, and a removed message shows [message deleted] in place. You can delete your own messages from the hover actions (a confirmation appears first).
Members and details
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Members. Click the people-count in the channel header to open the Members panel. Members are listed by role — Owner, Manager, then Member — with role badges, including a label for anyone auto-added by their conference role.
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About. The About tab shows the channel's description, topic, scope (conference / program / event), type (public or private), member count, and status. Owners and Managers can edit these settings and Leave channel is available here too.
Tips
When a message sparks a detailed back-and-forth, reply in a thread rather than the main timeline. The discussion stays attached to its message, and the channel doesn't fill up with one topic's replies.
Each message carries a single attachment (an image or a PDF, up to 10 MB). To share several files, send them across a few messages, or post a link to a shared location.