AGSCredential *userCredential = [[AGSCredential alloc] initWithUser:userName password:passcode authenticationType:AGSAuthenticationTypeToken tokenUrl:[NSURL URLWithString:kAGSTokenServiceURL]]; dynamicLayer = [[[AGSDynamicMapServiceLayer alloc] initWithURL:[NSURL URLWithString:dynamicMapService.serviceURL] credential:userCredential] autorelease];