Besides marketing communication, Dela has a few moments that they have to communicate with large parts of their customer base, for instance, communication about new rates or profit-sharing. Similar to their marketing campaigns, they want to use this communication to reach secondary goals, for instance, to show customers the convenience of using “Mijn Dela”. A difference with the DIM is that this communication is in bulk and that there is a need to throttle this to ensure that the customer support center can handle the response. In de VSM (Verzendschema Manager). The business can define a population, shipment schedule, and business rules for content variations. The VSM will ensure that the documents are generated and “inform” the DIM that they can be sent. To enable the tester we had in the team, we introduced the TSQLT platform to enable unit testing on the SQL server development.