How to add attribute of one shape file which is a building footprint to multipatch gdb file LOD3 Building model.

I have a LOD 0(BUILDING FOOTPRINT) file and a LOD 3 Building 3d model file. Lod 0 is in shapefile format and Lod 3 is in gdb format. The gdb file have no attribute value and lod 0 have. so i want to add its attribute to gdb. How to do it?