Jmeter print request debug information

JSR223 PostProcessor.groovy

log.info("debug: ----begin-----");
log.info("debug: timeline_id value: " + vars.get("timeline_id"));
log.info("debug: counter value: " + vars.get("counter"));

// Print request method and URL
log.info("debug: Request Method: " + sampler.getMethod())
log.info("debug: Request URL: " + sampler.getUrl())

// Print request headers
def headers = sampler.getHeaderManager()
if (headers != null) {
    for (int i = 0; i < headers.size(); i++) {
        def header = headers.get(i)
        log.info("debug: Header: " + header.getName() + ": " + header.getValue())
    }
}

// Print request body (for POST)
if (sampler.getMethod() == "POST" || sampler.getMethod() == "PUT") {
    log.info("debug: Request Body: " + sampler.getArguments().getArgument(0).getValue())
}

for (arg in sampler.getArguments().asList()) {
    log.info("debug: Param: " + arg.getName() + " = " + arg.getValue())
}

// Get the response data as a string
def response = prev.getResponseDataAsString()

// Print to JMeter log
log.info("debug: Response Data: " + response)

log.info("debug: ----end-----");