/// <summary>
 /// The operation to add a role assignment to a billing profile.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='billingAccountName'>
 /// billing Account Id.
 /// </param>
 /// <param name='billingProfileName'>
 /// Billing Profile Id.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <BillingRoleAssignmentListResult> AddByBillingProfileNameAsync(this IBillingRoleAssignmentsOperations operations, string billingAccountName, string billingProfileName, CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.AddByBillingProfileNameWithHttpMessagesAsync(billingAccountName, billingProfileName, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }