To set up cash drawer openings, please follow these steps
On the management page, go to System settings/General settings.
On Purchase/Sale tab, click Edit at Sale tab and check Open drawer under Require manager to confirm in the following cases.
On PC/POS, click this icon 
and select Settings.
Go to General settings and click Edit. Check Open drawer upon getting payment and select Only open drawer upon collecting cash.
Then, click Save.
Upon closing a shift, you can check the number of drawer openings.
Have a nice day!
