Schematic Terminal
This block is not included in recent versions of SigmaStudio. You can simply leave output pins unconnected if their values are not needed.
Whenever your schematic has output pins that are not necessary in your design, the Schematic Terminal block can function as a sink for the signal flow. Drag it to the workspace for connecting signal(s) from multiple blocks that are not actually sent to an output (see the Example).
If you do not terminate unused block output pins, the compiler will display an unconnected pin error.