public override void ExecuteCmdlet()
        {
            IotHubDescription iotHubDescription;

            if (ParameterSetName.Equals(InputObjectParameterSet))
            {
                this.ResourceGroupName = this.InputObject.Resourcegroup;
                this.IotHubName        = this.InputObject.Name;
                iotHubDescription      = IotHubUtils.ConvertObject <PSIotHub, IotHubDescription>(this.InputObject);
            }
            else
            {
                if (ParameterSetName.Equals(ResourceIdParameterSet))
                {
                    this.ResourceGroupName = IotHubUtils.GetResourceGroupName(this.ResourceId);
                    this.IotHubName        = IotHubUtils.GetIotHubName(this.ResourceId);
                }

                iotHubDescription = this.IotHubClient.IotHubResource.Get(this.ResourceGroupName, this.IotHubName);
            }

            IEnumerable <SharedAccessSignatureAuthorizationRule> authPolicies = this.IotHubClient.IotHubResource.ListKeys(this.ResourceGroupName, this.IotHubName);
            SharedAccessSignatureAuthorizationRule policy     = IotHubUtils.GetPolicy(authPolicies, PSAccessRights.RegistryRead);
            PSIotHubConnectionString psIotHubConnectionString = IotHubUtils.ToPSIotHubConnectionString(policy, iotHubDescription.Properties.HostName);
            RegistryManager          registryManager          = RegistryManager.CreateFromConnectionString(psIotHubConnectionString.PrimaryConnectionString);

            if (this.ModuleId != null)
            {
                this.WriteObject(IotHubDataPlaneUtils.ToPSModule(registryManager.GetModuleAsync(this.DeviceId, this.ModuleId).GetAwaiter().GetResult()));
            }
            else
            {
                this.WriteObject(IotHubDataPlaneUtils.ToPSModules(registryManager.GetModulesOnDeviceAsync(this.DeviceId).GetAwaiter().GetResult()), true);
            }
        }