1.Search and locate the contact to book onto a Session
2.Select Session Tree from the 7Session menu or right click under the Sessions tab
3.Click on hold on the Tree icon on the Contact Details Form
4.While holding the mouse button down, drag the tree to the Session Tree and release the mouse when the cursor is over the Session you wish to add this contact to. The cursor will appear as a box outline when you are in the right place to release the mouse button.