get/set a layers Slider Control

i have value in script want put slider control of layer. have 1 effect in layer slider contorl if speeds coding.

 

this progress...

app.project.item(1).layer(1).property(1).

 

does right? can't seem find right function/value.

var prop = app.project.item(1).layer(1).property("adbe effect parade").property(1);  // "adbe effect parade" "slider control"  prop.property(1).setvalue(100);  //set "slider control" value 100 

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