Gx.nella_bj_package.1.var

: Commonly used as a prefix for GeneXus objects or general "Game Extension" files in certain engine architectures.

: Typically indicates a version number or a specific instance index within a series of packages. gx.Nella_BJ_Package.1.var

Knowing the environment would help provide a more precise explanation of its function. : Commonly used as a prefix for GeneXus