is there a way to determine the gameobject is Expanding/Collapsing?
i know how to expanding/collapsing gameobject in hierarchy but i don't know how determine the gameobject is expanding/collapsing
 my english is not good, hope you can understand. 
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              koobas.hobune.stream
koobas.hobune.stream 
                       
                
                       
			     
			 
                