fun setUseLegacyPiIdentifier(useLegacyPiIdentifier: Boolean): <ERROR CLASS>
The SDK will, by default, use the RegistrationManager.getContactKey as the Predictive Intelligence Identifier for all Predictive Intelligence analytics. A future release of the SDK will eliminate this default behavior such that a value must be explicitly set as the pi identifier.
value - defaults to true. Set to false if you wish to take explicit control of the Predictive
Intelligence Identifier value.