How to test Aero API Alerts(callbacks)

FlightAware
1

Is there any way to execute alerts callbacks events from flightaware?. Highly appreciate any help.

This below link is not working, i am not receiving any alerts.
https://flightaware.com/commercial/aeroapi/send.rvt

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{
  "long_description": "string",
  "short_description": "string",
  "summary": "string",
  "event_code": "offblock",
  "alert_id": 0,
  "flight": {
    "fa_flight_id": "string",
    "ident": "string",
    "registration": "string",
    "atc_ident": "string",
    "aircraft_type": "string",
    "origin": "string",
    "destination": "string",
    "route": "string",
    "position_only": false,
    "blocked": false,
    "cancelled": false,
    "diverted": false,
    "route_distance": 0,
    "filed_ete": 0,
    "filed_altitude": 0,
    "filed_airspeed_kts": 0,
    "scheduled_out": "2021-12-31T19:59:59Z",
    "estimated_out": "2021-12-31T19:59:59Z",
    "actual_out": "2021-12-31T19:59:59Z",
    "scheduled_off": "2021-12-31T19:59:59Z",
    "estimated_off": "2021-12-31T19:59:59Z",
    "actual_off": "2021-12-31T19:59:59Z",
    "scheduled_on": "2021-12-31T19:59:59Z",
    "estimated_on": "2021-12-31T19:59:59Z",
    "actual_on": "2021-12-31T19:59:59Z",
    "scheduled_in": "2021-12-31T19:59:59Z",
    "estimated_in": "2021-12-31T19:59:59Z",
    "actual_in": "2021-12-31T19:59:59Z",
    "baggage_claim": "string",
    "gate_origin": "string",
    "gate_destination": "string",
    "terminal_origin": "string",
    "terminal_destination": "string",
    "error": "string"
  }
}