Symbology of a layer with the values of stand-alone table (that is associated to the layer with 1-Many relationship)

rawansaleh1

here the case:https://community.esri.com/thread/195689-one-to-many-symbology 

JoshuaBixby

The same question, with a bit more information, is being asked here:  https://community.esri.com/thread/195689-one-to-many-symbology