What are the steps to be followed to generate the E-invoice directly from BUSY?

If you want to create the e-invoice directly from BUSY you need to create the gsp credentials from the ewaybill or e invoice portal then follow these steps:
Step 1: Open your company in BUSY then Go to Administration menu and then click on Configuration tab
Step 2: Click on Features and Options button and Choose the GST/VAT Configuration option
Step 3: Now, Enable the E invoice feature then click on configuration tab
Step 4: Next,Mention From place and pin code of company in Configuration and then save it then specify the GSP server username and password in GSP configuration 
Step 5: Validate the both GSP Credentials and save the configuration.
Step 6: Now again Go to administration then click on configuration
Step 7: Click on voucher series configuration and select the voucher type such as sale,sale return etc
Step 8: Select the voucher series and then click on the Voucher Configuration tab that appears on the right side..
Step 9: Select Y for Generate E invoice after saving  and also enable input transport details option and save the changes
Step 10: Now open the voucher such as sale from transactions menu and you can generate the e invoice directly from BUSY.