Working with the calling object of a formcaller in d365FO

 FormRun formRun = this.parmArgs().caller();        

 ProjTable projtable = this.parmArgs().record();

        if((formRun) && (formRun.name() == Formstr(ProjTable) || formRun.name() == Formstr(ProjProjectsListPage)))

        {

            SrsReportHelper::addParameterValueRangeToQuery(this.getFirstQuery(),tableNum(PurchTable),fieldNum(PurchTable, ProjId),SysQuery::value(projtable.ProjId));

        }