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The Chat add-on uses MongoDB to store information and messages, so you need to download and install it. More details here.
Install Chat add-on with the command: addon install exo-chat. The installation procedure is the same to that of other add-ons, as detailed in Installing/Uninstalling add-ons, Administrator Guide.
For Community Edition: addon install exo-chat-community.
For Enterprise edition bundles, eXo Chat is installed by default.
By default, a chatPassPhrase property has been created. The eXo Chat server provides some operations via REST service so that anyone who knows the passphrase
can do things, such as dropping, re-creating and indexing the database, so you need to change this property in the configuration file.
Start eXo Platform server.
When users sign in eXo Platform, the Chat icon
(
) will be shown on the top navigation bar.