[Maya-Python] Re: floatSliderGrp HOW do I add a listener to the slider so as it moves you get updates?

[Daz]

Heya

I'm working on something similar but I get strange error. Could any have a look 
at my piece of code too and let me know why I don't get call back of the value 
I put in to my slider?

import maya.cmds as cmds

def AlphaValue(SliderName,AlphaName):
        if cmds.ls(sl=1,mat=1):
                sel=cmds.ls(sl=1,mat=1)
                for alpha in sel:
                        value=cmds.floatSliderGrp(SliderName,query= 
True,field=True)
                        print value
                        cmds.setAttr('%s.%s'%(alpha,AlphaName),value[0])

windowZ=cmds.window(title="Slider Test",w=350,h=250)
cmds.columnLayout(w=150,adj=True)
diffuseAmountSlider=cmds.floatSliderGrp(label="Zoom", 
field=True,dc='AlphaValue(diffuseAmountSlider,"diffuseColorAmount")',value=1,min=-0.001,max=1,pre=3)
cmds.showWindow(windowZ)

I cant break it no matter what I try :( 

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