code: func (c *GameLift) RequestUploadCredentials(input *RequestUploadCredentialsInput) (*RequestUploadCredentialsOutput, error) {
  	req, out := c.RequestUploadCredentialsRequest(input)
  	return out, req.Send()
  }
docs: // RequestUploadCredentials API operation for Amazon GameLift.
  //
  // Retrieves a fresh set of credentials for use when uploading a new set of
  // game build files to Amazon GameLift's Amazon S3. This is done as part of
  // the build creation process; see CreateBuild.
  //
  // To request new credentials, specify the build ID as returned with an initial
  // CreateBuild request. If successful, a new set of credentials are returned,
  // along with the S3 storage location associated with the build ID.
  //
  // Learn more
  //
  // Uploading Your Game (https://docs.aws.amazon.com/gamelift/latest/developerguide/gamelift-build-intro.html)
  //
  // Related operations
  //
  //    * CreateBuild
  //
  //    * ListBuilds
  //
  //    * DescribeBuild
  //
  //    * UpdateBuild
  //
  //    * DeleteBuild
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for Amazon GameLift's
  // API operation RequestUploadCredentials for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeUnauthorizedException "UnauthorizedException"
  //   The client failed authentication. Clients should not retry such requests.
  //
  //   * ErrCodeInvalidRequestException "InvalidRequestException"
  //   One or more parameter values in the request are invalid. Correct the invalid
  //   parameter values before retrying.
  //
  //   * ErrCodeNotFoundException "NotFoundException"
  //   A service resource associated with the request could not be found. Clients
  //   should not retry such requests.
  //
  //   * ErrCodeInternalServiceException "InternalServiceException"
  //   The service encountered an unrecoverable internal failure while processing
  //   the request. Clients can retry such requests immediately or after a waiting
  //   period.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/gamelift-2015-10-01/RequestUploadCredentials