| Name | Type | Description | Notes |
|---|---|---|---|
| left | LocalIdentifier | ||
| operator | str | Arithmetic operator. DIFFERENCE - m₁−m₂ - the difference between two metrics. CHANGE - (m₁−m₂)÷m₂ - the relative difference between two metrics. | |
| right | LocalIdentifier | ||
| any string name | bool, date, datetime, dict, float, int, list, str, none_type | any string name can be used but the value must be the correct type | [optional] |