opentelemetry-java-instrumentation/instrumentation/logback/logback-appender-1.0/library/src/test/resources/logback-test.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

  <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>
        %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
      </pattern>
    </encoder>
  </appender>
  <appender name="OpenTelemetry"
    class="io.opentelemetry.instrumentation.logback.appender.v1_0.OpenTelemetryAppender">
    <captureExperimentalAttributes>false</captureExperimentalAttributes>
    <captureMdcAttributes>*</captureMdcAttributes>
  </appender>

  <root level="INFO">
    <appender-ref ref="console"/>
    <appender-ref ref="OpenTelemetry"/>
  </root>

</configuration>