The Signal Properties dialog box lets you display and edit signal properties. To display the dialog box, either
Select the line that represents the signal whose properties you want to set and then choose Properties from the signal's context menu.
or
Select a block that outputs or inputs the signal and from the block's context menu, select Signals & Ports and then either Input Port Signal Properties or Output Port Signal Properties, then select the port to which the signal is connected from the resulting menu.
The Signal Properties dialog box appears.
The dialog box includes the following controls.