RenderProcessGoneDetails Object 
- reasonstring - The reason the render process is gone. Possible values:- clean-exit- Process exited with an exit code of zero
- abnormal-exit- Process exited with a non-zero exit code
- killed- Process was sent a SIGTERM or otherwise killed externally
- crashed- Process crashed
- oom- Process ran out of memory
- launch-failed- Process never successfully launched
- integrity-failure- Windows code integrity checks failed
 
- exitCodeInteger - The exit code of the process, unless- reasonis- launch-failed, in which case- exitCodewill be a platform-specific launch failure error code.