cfcodes:
<cffunction name="checkLogin" access="remote" returntype="struct">
<cfset returnsStruct=Structnew()>
<cfif IsUserInRole("admin")>
<cfset returnsStruct.userRole="admin">
<cfelseif IsUserInRole("user")>
<cfset returnsStruct.userRole="user">
<cfelse>
<cfset returnsStruct.userRole="none">
</cfif>
<cfreturn returnsStruct>
</cffunction>

as:
function checkLogin_Result(result) {
trace(result.userRole)}
-------------------
trace:undefined
why?

Flash doesn't have the equivalent of CF's struct. Flash receives the structure as an [i]object[/i].