For every user on your platform there must exist an associated user on the Sentiance platform. The process of associating users between the platform is accomplished using the createUser method on the Sentiance SDK.
Your mobile application requires an authentication code in order to execute the createUser SDK method. The below instructions details how you can fetch an authentication code from the Sentiance Platform.
Generate an authentication code for a user
Create a user_link API key from the "Insights-Control-Tower > Developer > API Keys"