Trying to change my sensitivity while zooming in CPMA. Below is the script I was given by someone, but it's a toggle. I want to hold spacebar to zoom, not press it once to zoom in, and press it again to zoom out.

seta zoomin "+zoom; vstr sens_zoom; set zoomtoggle vstr zoomout"
seta zoomout "-zoom; vstr sens_norm; set zoomtoggle vstr zoomin"
seta zoomtoggle "vstr zoomin"
bind space "vstr zoomtoggle"
seta sens_norm "sensitivity 4.4"
seta sens_zoom "sensitivity 3"

So how can I do this for holding spacebar?