/// <summary>Snippet for StartMigrationJob</summary>
        /// <remarks>
        /// This snippet has been automatically generated for illustrative purposes only.
        /// It may require modifications to work in your environment.
        /// </remarks>
        public void StartMigrationJobRequestObject()
        {
            // Create client
            DataMigrationServiceClient dataMigrationServiceClient = DataMigrationServiceClient.Create();
            // Initialize request argument(s)
            StartMigrationJobRequest request = new StartMigrationJobRequest
            {
                MigrationJobName = MigrationJobName.FromProjectLocationMigrationJob("[PROJECT]", "[LOCATION]", "[MIGRATION_JOB]"),
            };
            // Make the request
            Operation <MigrationJob, OperationMetadata> response = dataMigrationServiceClient.StartMigrationJob(request);

            // Poll until the returned long-running operation is complete
            Operation <MigrationJob, OperationMetadata> completedResponse = response.PollUntilCompleted();
            // Retrieve the operation result
            MigrationJob result = completedResponse.Result;

            // Or get the name of the operation
            string operationName = response.Name;
            // This name can be stored, then the long-running operation retrieved later by name
            Operation <MigrationJob, OperationMetadata> retrievedResponse = dataMigrationServiceClient.PollOnceStartMigrationJob(operationName);

            // Check if the retrieved long-running operation has completed
            if (retrievedResponse.IsCompleted)
            {
                // If it has completed, then access the result
                MigrationJob retrievedResult = retrievedResponse.Result;
            }
        }