1. Navigate to Bagisto admin section ‘admin/configuration/productalert/general`> new Configuration setting. Can enable or disable this module here.

2. Can enable or disable stock related notifications for related customer here 

`admin/configuration/productalert/stock`

3.Can enable or disable price drops related notifications for related customer here 

`admin/configuration/productalert/price_change`

4. Choose cron time for sending mail to customers.It will work only  if the customer has  subscribed to the price drop alert or product back in stock.

`admin/configuration/productalert/run`