new_contents: from maya import cmds
  from maya import mel
  
  
  class Commands(object):
      """ class name must be 'Commands' """
  
      commandDict = {}
  
      def _createNcloth(self):
          mel.eval("doCreateNCloth 0")
      commandDict['createNcloth'] = "nClothCreate.png"
  
      def _createNclothOptions(self):
          cmds.nClothCreateOptions()
      commandDict['createNclothOptions'] = "nClothCreate.png"
  
      def _createPassiveCollider(self):
          mel.eval("makeCollideNCloth")
      commandDict['createPassiveCollider'] = "nClothCreatePassive.png"
  
      def _createPassiveColliderOptions(self):
          mel.eval("nClothMakeCollideOptions")
      commandDict['createPassiveColliderOptions'] = "nClothCreatePassive.png"
  
subject: Add nCloth menu