private void createNetworkAclEntry(string networkAclId, int ruleNumber, string cidrBlock, bool egress, string protocol, PortRange portRange, RuleAction ruleAction) { CreateNetworkAclEntryRequest createNetworkAclEntryRequest = new CreateNetworkAclEntryRequest(); createNetworkAclEntryRequest.NetworkAclId = networkAclId; createNetworkAclEntryRequest.RuleNumber = ruleNumber; createNetworkAclEntryRequest.CidrBlock = cidrBlock; createNetworkAclEntryRequest.Egress = egress; createNetworkAclEntryRequest.Protocol = protocol; createNetworkAclEntryRequest.PortRange = portRange; createNetworkAclEntryRequest.RuleAction = ruleAction; CreateNetworkAclEntryResponse createNetworkAclEntryResponse = EC2_CLIENT.CreateNetworkAclEntryAsync(createNetworkAclEntryRequest).GetAwaiter().GetResult(); }