Show and Hide Inputs and Outputs
You can configure whether to show or hide step inputs and outputs by default in the Preferences window, and you can also toggle the show/hide behavior using a button on the tool bar.
To show and hide step inputs and outputs
1. To set the default behavior for showing inputs and outputs, click Window > Preferences > Software AG > Process Development > Appearance, and select or clear the Show inputs and outputs on steps by default check box.
2. To show or hide step inputs and outputs in the open process, select or clear the 
Show: Inputs/Outputs check box on the process editor's toolbar.