Please make sure that you have read Software & Environments first, before you continue here.
In comparison to the default user interface for software versions, the user interface for automation engineers provides two additional fields
The SW Model testcontainer allows you to provide a software model for the currently selected software version. In case that the software requires installation or special treatment before the test can start you can upload a Installation testcontainer in addition.
In case your software model refers to variables you can define this variables in the Software Definition as well. Please refer to Execution Variables for details on how to defined variables.