var url='${/request/@context_path}/autocrud/prj.PRJ501N.prj_project_history_display/query?project_id=${/parameter/@project_id}&bp_id=${/parameter/@bp_id}';
var record=$(ds_id).getCurrentRecord();
var url='${/request/@context_path}/autocrud/prj.PRJ501N.prj_project_history_display/query?project_id=${/parameter/@project_id}&bp_id='+record.get('bp_id_tenant');