`Tracing.getTrackEventDescriptor`

Return a descriptor for all available tracing categories.

Domain: Tracing experimental

Returns

Name	Type	Description
`descriptor`	`string`	Base64-encoded serialized perfetto.protos.TrackEventDescriptor protobuf message. (Encoded as a base64 string when passed over JSON)

{
  "id": 1,
  "method": "Tracing.getTrackEventDescriptor"
}

{
  "id": 1,
  "result": {
    "descriptor": "descriptor-value"
  }
}

const result = await send('Tracing.getTrackEventDescriptor');
console.log(result);
// {"descriptor": "descriptor-value"}