• filename {string} Name of the file where the report is written. This should be a relative path, that will be appended to the directory specified in process.report.directory, or the current working directory of the Node.js process, if unspecified.

    • err {Error} A custom error used for reporting the JavaScript stack.

    • Returns: {string} Returns the filename of the generated report.

    Writes a diagnostic report to a file. If filename is not provided, the default filename includes the date, time, PID, and a sequence number. The report’s JavaScript stack trace is taken from err, if present.

    1. process.report.writeReport();

    Additional documentation is available in the [report documentation][].