| value | A context object, which is a temporary store that allows you to compare compilation start and finish events. |
An event that is invoked on the main thread when the compilation of assemblies starts.
This is called before the first CompilationPipeline.assemblyCompilationStarted event.
Context object can be used to match CompilationPipeline.compilationStarted and CompilationPipeline.compilationFinished events.