Chat is a convenient tool for collaboration, if necessary to discuss anything and take a certain decision promptly.
In Project Kaiser each file is associated with its own chat room. Chat messages are part of file and kept together with him, allowing to see the discussion history at any time.
To move on to the chat mode for the selected file, select "More/ All Tools/ Chat" on the file toolbar:
Then write a new message:
Note: In the chat mode you can use the wiki-syntax to format text.