How to export an engine ...

Hello, I've a question.
I don't know How I should do to export an engine from the game to User/Documents/Automation/Engines.I know that i can edit the .LUA file to increase the maximum permissible bore & stroke.
Actually in this file I just have the first engine that I create in the engine but I don't know how this engine are land in thie file
I'd like to see my other engine engine in this file^^

If someone have the answer to my question I take it ^^
Sorry for my bad english ^^
Regards.
Yoann.
I don't know How I should do to export an engine from the game to User/Documents/Automation/Engines.I know that i can edit the .LUA file to increase the maximum permissible bore & stroke.
Actually in this file I just have the first engine that I create in the engine but I don't know how this engine are land in thie file


If someone have the answer to my question I take it ^^
Sorry for my bad english ^^
Regards.
Yoann.