I need help with the invoice generation process in BUSY. Can you explain it to me?How to enable e-way bill option in BUSY?

To generate an invoice from BUSY go to transactions tab then select the invoice you want to create and click on add option specify details such as voucher number,party name,item name,quantity and amount etc and you can generate invoice after specifying those details
To enable E-waybill feature in BUSY you can follow below steps :
Step 1: Make sure that you have generated your GSP's credential on EWay bill portal such as Webtel and pinnacle.
Step 2:Now open your company in which you want to configure the eway bill configuration.
Step 3:Now Click on Administration menu and click on configuration option
Step 4:Then click on Features and options button then click on GST VAT button.
Step 5:Now enable Eway bill required option selected as Y then click on GSP configuration button.
Step 6:Afterward select automatically to set GSP for both Eway bill and Einvoice.
Step 7:Then mention the user name and password for both GSP's in respective field and press ok button to save the configuration.
Step 8:Then Click on SAve button to save the changes on previous window.
Step 9: Then go to administration menu then click on configuration button
Step 10: Then open voucher series configuration and enable Input transport details and generate e-waybill after saving option and save it
Now go to transactions tab and open sale invoice and while generating E-waybill software will give you a prompt to generate E-waybill then you will be able to generate E-waybill directly from BUSY