20240522 13550700 1.0 TRUE Appends to, or optionally updates, an existing target dataset with multiple input datasets. Input datasets can be feature classes, tables, shapefiles, rasters, or annotation or dimension feature classes. add aggregate attach combine contain dataset feature intact join load data map merge record target unite update upsert Appends to, or optionally updates, an existing target dataset with multiple input datasets. Input datasets can be feature classes, tables, shapefiles, rasters, or annotation or dimension feature classes. Appendtool_Test