code: public ServiceFuture<WebhookInner> createOrUpdateAsync(String resourceGroupName, String automationAccountName, String webhookName, WebhookCreateOrUpdateParameters parameters, final ServiceCallback<WebhookInner> serviceCallback) {
          return ServiceFuture.fromResponse(createOrUpdateWithServiceResponseAsync(resourceGroupName, automationAccountName, webhookName, parameters), serviceCallback);
      }
docs: Create the webhook identified by webhook name.
  
  @param resourceGroupName Name of an Azure Resource group.
  @param automationAccountName The name of the automation account.
  @param webhookName The webhook name.
  @param parameters The create or update parameters for webhook.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object