code: func (r Provisioning_Maintenance_Classification) GetMaintenanceClassification(maintenanceClassificationId *int) (resp []datatypes.Provisioning_Maintenance_Classification, err error) {
  	params := []interface{}{
  		maintenanceClassificationId,
  	}
  	err = r.Session.DoRequest("SoftLayer_Provisioning_Maintenance_Classification", "getMaintenanceClassification", params, &r.Options, &resp)
  	return
  }
docs: // Retrieve an array of SoftLayer_Provisioning_Maintenance_Classification data types, which contain all maintenance classifications.