These bindings go beyond straightforward console commands to provide features you can’t get without a keyboard binding.
Binding Effect
Button bExtra1 Selects EightBall multiple fire mode as long as the key is held down. 
Toggle bExtra1  Toggles between EightBall multiple and continuous fire modes each time the key is pressed.
SwitchWeapon 0 | Button bFire | FireOnce  Selects and fires the Beamer as long as the key is held; returns to your last weapon when released. 
Button bFireOffhand | FireOffhand Fires the offhand Beamer as long as the key is held.
These commands are all available for binding on the RealCTF Controls menu as discussed in Keyboard Bindings.
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