How to add barcode scanning to activity form?

Web User can configure Barcode scanning option in the activity forms. 

Here is how it can be done:

1. From Navigation Menu, click on Configuration module and then Activities sub-module.
2.  Choose the activity from the list.
3. Click on any interface in which settings need to be configured.
4. Click on the properties of that interface and select 'Barcode' check box.
5. Now click on 'Save' to save the activity.