             relatedBy:NSLayoutRelation.equal,
             toItem:toView,
             attribute:NSLayoutAttribute.bottom,
-            multiplier:1,
+            multiplier:multiplier,
             constant:constant)
         constraint.isActive = true
         

            relatedBy:NSLayoutRelation.equal,
            toItem:toView,
            attribute:NSLayoutAttribute.height,
            multiplier:1,
            constant:0)
        constraint.isActive = true
        

            relatedBy:NSLayoutRelation.equal,
            toItem:nil,
            attribute:NSLayoutAttribute.notAnAttribute,
            multiplier:multiplier,
            constant:constant)
        constraint.isActive = true
        
