Firstly, open the application and go to Help > Contents and use the built-in search functionality to type agenda. Use the available topics to locate the solution. In case there isn't anything useful, contact your local IT administrator since this software is managed by an IT Administrator.
Secondly, use the website of the developer to contact use or use the Contact Center available within the software to reach a support technician.
Contact options: http://www.broadsoft.com/about/contact/