The SPLabelAssemblySettings command brings up the Label Assembly Settings dialog in which you can set the options for autolabeling assemblies.
After starting the SPLabelAssemblySetings command, the dialog box shown below is displayed. In this dialog you can set the option to place the label above or below the assembly, as well as any additional offsets in the X or Y directions. You can also specify the Layer for the MText and the text style to use. The last option is to specify whether to automatically label new assemblies with these settings.
Allows the user to select Corridor Assemblies and add MText labels with a Field set to the assembly name.