Reporting API Functions Genero Report Writer provides a variety of reporting API functions for use with Genero BDL applications. Overview The Genero Report Writer reporting API for Genero BDL relies upon several files. Mandatory functions These functions are required in the Report Driver section of the Genero BDL file associated with a Genero BDL reporting application. Functions to change reporting options Use these functions to change the default settings for a report, and to configure output and printers. The functions are provided as part of the libgre.42x library. Functions to set report metadata Use these functions to set report metadata. Functions to introspect reports at runtime (librdd) Use these functions to access the structures contained in the rdd files. Functions to get error details Use these functions to get the most current error details. The functions are provided as part of the libgre.42x library.