@User: for the vsource: set value to any legal spice allowed syntax, example: value="pwl 0 0 100n 0 102n 3 200n 3 202n 0" or value="dc 0 ac 1 0" or value="pulse 0 5 0 2n 2n 98n 200n". To make a net label visibile add a 'lab_pin.sym' or 'lab_wire' symbol and set the 'lab' attribute to the name you want to set and attach it to the net: