Returns objects based on the existence of the specified field. Allows you to specify a property to query on
by a variety of means. Either field or propertyIdentifier must be supplied, but not both.
| Name | Type | Required | Description |
|---|---|---|---|
| field | NotRequired[PropertyApiName] | No | |
| propertyIdentifier | NotRequired[PropertyIdentifierDict] | No | |
| value | bool | Yes | |
| type | Literal["isNull"] | Yes | None |