There’s no hidden list that I know.
You can use parameter list or zone editor.
Modulation sources and destinations are listed here:
[u]https://developer.steinberg.help/display/HSD/Modulation+Source+Types[/u]
I find that very helpful if you want to limit modulation matrix options to those relevant to your instrument.
Edit:
You can print them if you want to.
element=this.parent:getZone()
parameter="Filter.ShapeA"
parameterDef=element:getParameterDefinition(parameter)
if parameterDef.type=="integer" then do
for i=parameterDef.min, parameterDef.max do
local displayString=parameterDef:getDisplayString(i)
print("{name= \""..displayString.."\", index= "..i.."},")
end
end
else
print("Parameter is not integer")
end