Stackdriver Error Reporting is automatically enabled for App Engine flexible
environment applications. No additional setup is required. Messages written
from App Engine to
stderr are analyzed and, if found to contain
errors, will be displayed by Error Reporting.
See Viewing Errors for instructions on viewing error and exception data for your application in the GCP Console.
Examples using the instrumentation libraries
If you'd like to customize the error information being sent to Error Reporting, you can use the instrumentation libraries available for a number of languages: