Ksp reference Manual

Tables and Waveform
$CONTROL_PAR_BAR_COLOR
Sets the color of the step bar in UI tables and UI waveforms
Colors are set using a hex value in the following format:
9ff0000h {red}
The 
9
at the start is just to let KONTAKT know the value is a number. The 
h
at the end is to indicate that it is a hexadecimal
value.
$CONTROL_PAR_ZERO_LINE_COLOR
Sets the color of the middle line in UI tables
Menus
$CONTROL_PAR_NUM_ITEMS
Returns the number of menu entries of a specific dropdown menu.
Only works with 
get_control_par()
.
$CONTROL_PAR_SELECTED_ITEM_IDX
Returns the index of the currently selected menu entry.
Only works with 
get_control_par()
.