Vexcode v5 blocks wont let me select the joysticks for motors

Ive been trying to make a code on vexcode v5 blocks and i got a code, but it wont let me asign it to the joysticks, only the buttons but i need it on the joystick, how can i fix this

You should change the subject to blocks.

You can set up a drivetrain and that should take care of it.

If you have multiple motors on each side then just do this: