To use the scheme feature in BUSY, which allows you to predefine any offer for a period, follow these steps:
Step 1: Go to Administration and click on configuration.
Step 2: Select Features / Options and click on Inventory, here you will see a feature called "Enable Scheme" click on check box to turn in on and save.
Step 3: Now, go back to administration tab and click on masters and choose Scheme and click on Add.
Step 4: Here, you can set up your scheme according to your preferences, such as the name, validity period, item category, discount percentage, etc. The scheme will automatically apply when generating invoices if the criteria are fulfilled.