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How to Create a Room (Gruppe)

The New Helmholtz Matrix Service and this Documentation Are in a Ramp-up Phase

We plan to offer Helmholtz Matrix from April 2026.

  • Please contact us if you encounter any errors.
  • Helmholtz members are also invited to give us some structured feedback here.
  • From time to time, you may see a red “Offline” notification message. This is because during ramp-up phase of the service, we may need to deploy changes to the server without prior announcement. Don’t reload, your messages will be sent with few seconds delay.

The Mattermost Wording was: Channel.

  • To make sure you are in the right space, click on the selected space on the left side. (If you need to create a space, see How-to create spaces.)
  • Click pencil symbol at the top
  • Choose # New room
  • Enter Name
  • Optional: Enter Topic
  • choose who can see the room: Visible to spaces | Ask to join | Private Room | Public Room
    • You can find the description of the selected option below the field.
    • Ask to join option is only available via browser version or if you added app configuration, see How-to configure Element client
  • Select whether the room should be encrypted (recommended, even required for confidential or data-protected chats).
  • Show advanced:
    • If you select this option, you will not be able to chat with external partners (outside Helmholtz).
  • Create room

Modify Default Settings

  • Click i on the header
  • Click Settings
  • General:
    • modify Logo, Room Name, Topic
  • Security & Privacy:
    • Who can read history? Choose your preferred option.
  • Roles & Permissions: You can manage authorisation level of the space users.
    • Consider to set the permission for “Invite users” from Default to Admin, else any new member can invite further users.

Move a Room to Another Space

You can move a room to another space:

  • Choose the destination space on the left side. This is the space where the room has to be later.
  • Click Add on the left side
  • Click # Add existing room
  • Select the room that you want to move
  • Click Add

More Information

  • Step-by-step introduction to rooms (and many other topics) is provided by TU Dresden: Matrix an der TU Dresden > Rooms DE / EN.

Dictionary

Matrix Mattermost
Space Team
Room
(Gruppe)
Channel
People Member