Creating a custom matrix (Utilities profile)
1. Ensure that you have added the Utilities profile to the model. See Adding the Utilities profile package to a model (Utilities profile).
2. Right-click the Model or Package in which you want to create the Custom Matrix, and select New > Matrix/Table > UML > Custom Simple Matrix.
3. Type the name of the new Custom Matrix, and then press the Enter key.
After creating a Custom Matrix you can define how it finds its row items. See Defining the row items for a custom matrix (Utilities profile).