public static async Task <VirtualMachineScaleSet> CreateOrUpdateWithCustomHeaderAsync(this IVirtualMachineScaleSetsOperations operations, string resourceGroupName, string vmssName, VirtualMachineScaleSet virtualMachineScaleSet, CancellationToken cancellationToken = default(CancellationToken)) { var auxAuthHeader = virtualMachineScaleSet.GetAuxAuthHeader(); if (auxAuthHeader == null) { return(operations.CreateOrUpdate(resourceGroupName, vmssName, virtualMachineScaleSet)); } virtualMachineScaleSet.RemoveAuxAuthHeader(); using (var _result = await operations.CreateOrUpdateWithHttpMessagesAsync(resourceGroupName, vmssName, virtualMachineScaleSet, auxAuthHeader, cancellationToken).ConfigureAwait(false)) { return(_result.Body); } }