Add datum identifier symbol

On the ribbon, click Annotate tab Symbols panel Datum Identifier . To place the symbol, do one of the following: To create a symbol without a leader line, double-click a location for the symbol. To create a symbol without a leader line associated with geometry, double-click a highlighted edge or point. The symbol is attached to the edge or point. To create a symbol with a leader line, click a location for the start point of the leader line. If you click a highlighted edge or point, the leader line is attached to the edge or point. Move the cursor and click to add a vertex to the leader line. You can only add one vertex. Enter the label string in the Format Text dialog box, and click OK. Continue placing symbols. When you finish, right-click, and click Cancel.