# Interface: ActionResultOptions

## Properties

### privateUserIdentifier

• `Optional` **privateUserIdentifier**: `string`

Identifier containing sensitive user data. Mosaic will encrypt and securely store this data.

### challengeType

• `Optional` **challengeType**: [`ChallengeType`](/sdk-ref/platform/enums/challengetype)

Type of challenge used when a challenge was recommended for this action.

### userId

• `Optional` **userId**: `string`

Opaque identifier of the user in your system.