Hi @Abdulla Pulicherla,
If you are looking for the latest webMethods Designer 12.1 then below Articles from John Carter will be useful
https://community.ibm.com/community/user/viewdocument/ibm-webmethods-service-designer-rel?CommunityKey=82b75916-ed06-4a13-8eb6-0190da9f1bfa&tab=librarydocuments
https://community.ibm.com/community/user/viewdocument/ibm-webmethods-service-designer-ava?CommunityKey=82b75916-ed06-4a13-8eb6-0190da9f1bfa&tab=librarydocuments
Thanks,
Kailash
------------------------------
Kailash Kumar Mishra
webMethods Developer
------------------------------