Interface UnsetField

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

Index

Properties

Properties

$unsetField

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

Removes a specified field in a document.

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 | First | 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.

Version

5.0

See

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