The path and file name of the FinalBuilder project file. It's highly recommended you put your project file in a repository and assign that repository to the Configuration.
The Using drop down is populated with any property collector whose namespace matches the pattern defined by the FinalBuilder Action. The pattern for this action is FinalBuilder\..*
If you create a property collector for this action, make sure you select the FinalBuilder type and give it a name that will match the pattern above in blue. Example names listed here, search the table's Plugin column for "FinalBuilder".
For more in-depth explanations on property collectors see Managing Property Collectors.
Alternatively, you can select the Custom option from the Using drop down list and specify a path in the resulting input field that will be displayed. Please read Why it's a good idea to use a property collector before using this option.
Enter a list of variables to pass to FinalBuilder. The input field takes variables in the format: name=value.