mysql trigger after delete get old value to insert code example

Example: mysql trigger to delete old data

SET GLdelimiter //
create event if not exists clean_old_records
on schedule every 1 week
do
begin
 delete from your_table_name 
 where 
 Timestamp < date_sub(curdate(),interval 1 month) ;
end; //
delimiter ;OBAL event_scheduler = ON;