Interface UnsetField

Hierarchy

UnsetField

Index

Properties

$unsetField

Properties

$unsetField

$unsetField: { field: StringExpression<string>; input?: string | ArrayElemAt | <internal>.Expression.First | <internal>.Expression.Last | Reduce | Literal | Function | MergeObjects | SetField | UnsetField | DateToParts | RegexFind }

Removes a specified field in a document.

version: 5.0
see: https://docs.mongodb.com/manual/reference/operator/aggregation/unsetField/#mongodb-expression-exp.-unsetField

Type declaration

field: StringExpression<string>

Field in the input object that you want to add, update, or remove. field can be any valid expression that resolves to a string constant.
Optional input?: string | ArrayElemAt | <internal>.Expression.First | <internal>.Expression.Last | Reduce | Literal | Function | MergeObjects | SetField | UnsetField | DateToParts | RegexFind

Document that contains the field that you want to add or update. input must resolve to an object, missing, null, or undefined.

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