This is version 4.2.0 of the Apex SAPIENT Middleware.
The software is compatible with BSI Flex 335 flavours of SAPIENT (BSI Flex 335 v1 and BSI Flex 335 v2). The SAPIENT middleware is a non-mandatory component of a SAPIENT system, its purpose is to route messages between SAPIENT Edge Nodes and the Fusion Node, and to log SAPIENT messages to a database. The middleware contains a simple API to enable extraction of data from the database.