sample.go

package main

import "errors"
import "fmt"
import "github.com/honeybadger-io/honeybadger-go"

func notifyHoneybadger(err error) {
  if err == nil {
    return
  }
  honeybadger.Notify(err)
}

func main() {
  honeybadger.Configure(honeybadger.Configuration{APIKey: "api key here"})
  honeybadger.BeforeNotify(
    func(notice *honeybadger.Notice) error {
      if notice.ErrorClass == "errors.errorString" ||
         notice.ErrorClass == "errors.fundamental" ||
         notice.ErrorClass == "errors.withStack" {
        notice.Fingerprint = notice.ErrorMessage
      }
      fmt.Println(notice.ErrorClass)
      fmt.Println(notice.ErrorMessage)
      fmt.Println(notice.Fingerprint)
      return nil
    },
  )

  err := errors.New("unable to parse get transaction response: unexpected end of JSON input")

  notifyHoneybadger(err)

  fmt.Println("done")
}