asp.net - getting Roles that already set to custom Authorization attribute? -

i customized authorize attribute of asp.net not know how roles set attribute when set attribute method or class

for example have customeauthorizeattribute

[attributeusage(attributetargets.class | attributetargets.method)] public class customeauthorizeattribute : authorizeattribute {      protected override bool authorizecore(httpcontextbase httpcontext)     {           if (httpcontext.current.user.identity.isauthenticated && httpcontext.current.user.isinrole("super"))         {             return true;         }         else             return false;     } } 

but not know how roles when set them attribute

[customeauthorizeattribute(roles="admin,super-admin")]

by default inhirits roles property base authorize class can roles directly using roles property

for example

if (httpcontext.current.user.identity.isauthenticated && httpcontext.current.user.isinrole(roles))     {         return true;     } 

or create new properties belong custom authorization attribute , use them.