# Untitled string in SerializedParentAction Schema ```txt https://timelimit.io/SerializedParentAction#/definitions/SerializedRemoveUserAction/properties/authentication ``` | Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In | | :------------------ | :--------- | :------------- | :---------------------- | :---------------- | :-------------------- | :------------------ | :----------------------------------------------------------------------------------------------- | | Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [SerializedParentAction.schema.json*](SerializedParentAction.schema.json "open original schema") | ## authentication Type `string`