// part of JWT custom claims.
		policySet, ok := policy.GetPoliciesFromClaims(claims, iamPolicyClaimNameOpenID())
		policies := strings.Join(policySet.ToSlice(), ",")
		if ok {
			policyName = globalIAMSys.CurrentPolicies(policies)
		}

		if newGlobalAuthZPluginFn() == nil {
			if !ok {
				writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue,