end

    % append additional attributes
    for jj = 1:size(OPT.additionalAtts,2)
        Variable.Attribute(end+1).Name  = OPT.additionalAtts{1,jj};
        Variable.Attribute(end+0).Value = OPT.additionalAtts{2,jj};
    end
    
    % add variable to output file
    switch OPT.nc_library
        case 'snc'
            nc_addvar(OPT.outputfile, Variable);
            varargout = {[]};
        case 'matlab'
            varid = netcdf_addvar(OPT.ncid, Variable );
            if OPT.deflate
                netcdf.defVarDeflate(OPT.ncid,varid,false,true,2);
            end
            varargout = {varid};
    end
end