code: func (c *Conn) GetSnapshotByName(repository, name string, args map[string]interface{}) (GetSnapshotsResponse, error) {
  	return c.getSnapshots(repository, name, args)
  }
docs: // GetSnapshots returns all snapshot of the specified name for a specific repository
  // http://www.elastic.co/guide/en/elasticsearch/reference/1.3/modules-snapshots.html