Creating a Kafka producer

<dependency>
    <groupId>org.springframework.kafka</groupId>
    <artifactId>spring-kafka</artifactId>
</dependency>

<dependency>
    <groupId>io.strimzi</groupId>
    <artifactId>kafka-oauth-client</artifactId>
    <version>0.6.1</version>
</dependency>

<dependency>
    <groupId>org.apache.kafka</groupId>
    <artifactId>kafka-clients</artifactId>
    <version>2.5.1</version>
</dependency>

<dependency>
    <groupId>io.opentracing.contrib</groupId>
    <artifactId>opentracing-kafka-client</artifactId>
    <version>0.1.13</version>
</dependency>

spring.kafka:
      bootstrap-servers: URL_OF_THE_KAFKA_SERVER
      producer:
        key-deserializer: org.apache.kafka.common.serialization.StringSerializer
        value-serializer: org.springframework.kafka.support.serializer.JsonSerializer
        properties:
          interceptor:
            classes: io.opentracing.contrib.kafka.TracingProducerInterceptor
          security.protocol: "SASL_PLAINTEXT"
          sasl.mechanism: "OAUTHBEARER"
          sasl.jaas.config: "org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required ;"
          sasl.login.callback.handler.class: io.strimzi.kafka.oauth.client.JaasClientOauthLoginCallbackHandler

kafka:
  authorizationExceptionRetryInterval: 10
  ADD_NEEDED_TOPIC_NAMES_HERE # make sure to use the correct naming pattern for topics used to send data to the FLOWX Engine

private final KafkaTemplate<String, Object> kafkaTemplate;

public void sendMessage(String topic, Headers headers, Object payload) {
  ProducerRecord<String, Object> producerRecord = new ProducerRecord<>(topic, payload);
  // make sure to send all the received headers back to the FlowX Engine
  headers.forEach(header -> producerRecord.headers().add(header));
  kafkaTemplate.send(producerRecord);
}