private void sendAlarmMessage(DiscordSettings.WebHookUrl webHookUrl, String content) throws IOException, InterruptedException {
        final var body = new JsonObject();
        body.addProperty("username", webHookUrl.getUsername());
        body.addProperty("content", content);
        final var requestBody = body.toString();
        post(URI.create(webHookUrl.getUrl()), requestBody, Map.of());
    }
Send alarm message to remote endpoint
oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/discord/DiscordHookCallback.java