Variable $substrConst

Type Declaration

• • (obj: AnyObject, expr: unknown, options: Options): string

  • Returns a substring of a string, starting at a specified index position and including the specified number of characters. The index is zero-based.

    See https://www.mongodb.com/docs/manual/reference/operator/aggregation/substrBytes/.

    Parameters

    • obj: AnyObject
    • expr: unknown
    • options: Options

    Returns string