Configure the Feature Class

From the previous topic, you know the ArcFM Auto Angle Setter requires an attribute field with a double data type, and that same field requires a field model name called SYMBOLROTATION. You cannot apply a field model name to a field that does not exist, so the first thing to do is to verify a field is ready to accept the model name, and if no field is present, create it.

In ArcCatalog, expand your geodatabase until you find the feature class you want to configure.
Right-click the feature class and choose Properties.
Click the Fields tab, and investigate whether a field already exists or not:
1. If a field exists, verify it has the correct data type:
2. If a field does not exist, scroll to the bottom of the field list until you find the empty record row. Then, create the field with the correct data type.
  
  IMPORTANT: Adding a new field is a schema change. Thus, other users cannot be using the geodatabase while you are making these configurations, otherwise you receive a message stating the schema is locked.
  
  TIP: The Field Name can be anything you want. Later, a field model name is applied to this field, and that is what the autoupdater cares about. This gives you flexibility to name fields as required by your company but still be able to use all the out-of-the-box functionality provided by the application. Having said that, it is still recommended to use meaningful field names to avoid confusion. Further, you can have an alias to display the field with a more user-friendly name. These steps use the name Symbol Rotation.
Click OK to close the Properties dialog.