define edm data schema
EDM schema. 1  The Entity Data Model (EDM) defines the TM1 data model based on OData Version 4.0 Part 3: Common Schema Definition Language (CSDL). It defines the TM1 data model in a common way so that OData clients can understand and manipulate the model.
OData services are described by an Entity Data Model (EDM). The Common Schema Definition Language (CSDL) defines specific representations of the entity data model exposed by an OData service using XML, JSON, and other formats.