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In addition to the already included instrumentations, you can also add custom ones as long as they comply with the structure of an OpenTelemetry automatic instrumentation.

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Setup

Using the additionalInstrumentations config option you can add additional instrumentations that will create spans and send them to AppSignal. Below is an example of how to use additionalInstrumentations in your application: 
const {
  CustomInstrumentation,
} = require("opentelemetry-custom-instrumentation");

new Appsignal({
  active: true,
  name: "<YOUR APPLICATION NAME>",
  pushApiKey: "<YOUR API KEY>",
  additionalInstrumentations: [
    new CustomInstrumentation({
      // instrumentation config here
    }),
  ],
});