In addition to the general display properties for connector figures, the following properties are available from the pop-up menus of connector figures on a class diagram:
For a bidirectional connector (such as a simple association):
In addition to the association names, you can also display the stereotype of the association in each direction by selecting Name>Show Stereotype From and Name>Show Stereotype To. These options are available only if the corresponding name labels are displayed.
To change the multiplicity of the association, select Multiplicity>Edit From or Multiplicity>Edit To. You can also select from several commonly used multiplicity values: