You can use preferences to customize the modeling environment. For example, you can change the default appearance of model elements and diagram elements, create path variables to specify a directory location in the file system, or control whether messages automatically create return messages in sequence and communication diagrams.
Setting default modeling preferences
You can specify default settings for the modeling environment. You can customize your modeling environment by specifying the appearance settings for models and diagram elements and by specifying preferences for views, such as the Model Explorer view, Properties view, and so on.Modeling preferences
You can modify most of the settings for the modeling environment. You can change the default settings to standardize how models, diagrams, and elements operate and appear in the Modeling perspective.
Parent topic: Building models
Related concepts
Models
Related reference
Modeling preferences