public override void ExecuteCmdlet()
        {
            base.ExecuteCmdlet();

            // Verify if the subnet exists in the NetworkSecurityGroup
            var rule = this.NetworkSecurityGroup.SecurityRules.SingleOrDefault(resource => string.Equals(resource.Name, this.Name, System.StringComparison.CurrentCultureIgnoreCase));

            if (rule != null)
            {
                throw new ArgumentException("Rule with the specified name already exists");
            }

            rule = new PSSecurityRule();

            rule.Name = this.Name;
            rule.Description = this.Description;
            rule.Protocol = this.Protocol;
            rule.SourcePortRange = this.SourcePortRange;
            rule.DestinationPortRange = this.DestinationPortRange;
            rule.SourceAddressPrefix = this.SourceAddressPrefix;
            rule.DestinationAddressPrefix = this.DestinationAddressPrefix;
            rule.Access = this.Access;
            rule.Priority = this.Priority;
            rule.Direction = this.Direction;

            this.NetworkSecurityGroup.SecurityRules.Add(rule);

            WriteObject(this.NetworkSecurityGroup);
        }
        public override void ExecuteCmdlet()
        {
            base.ExecuteCmdlet();

            var rule = new PSSecurityRule();

            rule.Name = this.Name;
            rule.Description = this.Description;
            rule.Protocol = this.Protocol;
            rule.SourcePortRange = this.SourcePortRange;
            rule.DestinationPortRange = this.DestinationPortRange;
            rule.SourceAddressPrefix = this.SourceAddressPrefix;
            rule.DestinationAddressPrefix = this.DestinationAddressPrefix;
            rule.Access = this.Access;
            rule.Priority = this.Priority;
            rule.Direction = this.Direction;

            WriteObject(rule);
        }