Hi Vijay,
Please refer this link under that mentioned that how to create lead using ABSL code
Web 2 Lead in SAP Cloud for Customer, step by step - Part 1 - myCloudDoor myCloudDoor
Under the "Action-CreateLead.absl" mentioned how to create lead
the above link for convert web 2 lead functionality and under they create lead using web data from ABSL code.
Regards,
Mithun