Function getPreliminaryRetargetingParameters
getPreliminaryRetargetingParameters(): Promise<  
      null  
      | PreliminaryRetargetingParameters,  
  >
Retrieve the preliminary retargeting parameters your app was started with. These parameters are only available on the first start of the app after a retargeting click was performed and have not yet been validated with the justtrack backend.
Returns
 Promise<null | PreliminaryRetargetingParameters>