Search and install the plugin using the Extension Manager. Refer to Plugins on how to install plugins manually.

Before using the plugin, go to the administration configuration and change the URL and Token to your activeCollab's one. For more informations, see http://www.activecollab.com/docs/manuals/developers/api/authentication and http://www.activecollab.com/docs/manuals/developers/api/api-status.

Put the following line on top of your page to set a global project of the page:

{{Project:<project-id>}}

example:

{{Project:123}}

Afterwards you can reference any ticket in the project via

#<ticket-id>

example:

#5678

If you don't want to a add a global project ID or want to reference a ticket from another project, you can add the project ID on a per-ticket basis:

#<ticket-id>-<project-id>

example:

#123-5678