query shader parameters

[Jan Dubied]

hi guys
any idea how i can sort out "output" ports and just query shader input 
parameters?

i tried this:

for i in oNode.Parameters :
    if ( i.PortType == siPortInput ) :
        print i

where oNode is the selected shader node in the render tree.
but it seems that PortInput is not defined...

thanks in advance


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Jan Dubied
2D/3D Artist

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