Optional ReadonlycollationThe collation specification for string sorting operations.
Optional ReadonlycollectionFunction to resolve strings to arrays for use with operators that reference other collections such as; $lookup, $out and $merge.
ReadonlycontextExtra references to operators to be used for processing.
Optional ReadonlyhashThis option does nothing and will be removed in future versions.
ReadonlyidThe key that is used to lookup the ID value of a document.
Optional ReadonlyjsonJSON schema validator to use with the '$jsonSchema' operator. Required in order to use the operator.
ReadonlyprocessingDetermines how to treat inputs and outputs.
ReadonlyscriptEnable or disable custom script execution using $where, $accumulator, and $function operators.
ReadonlyuseEnforces strict MongoDB compatibilty. See README.
Optional ReadonlyvariablesGlobal variables.
Generic options interface passed down to all operators