code: func (r Network_Storage) GetFileByIdentifier(identifier *string) (resp datatypes.Container_Utility_File_Entity, err error) {
  	params := []interface{}{
  		identifier,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Storage", "getFileByIdentifier", params, &r.Options, &resp)
  	return
  }
docs: // {{CloudLayerOnlyMethod}} Retrieve details such as id, name, size, create date of a file within a Storage account. This does not download file content.