Logging all headers and the body of a request from Azure API Management to Azure Event Hub

apim-logging-body-header.policy.xml

<policies>
	<inbound>
		<log-to-eventhub logger-id="svenmalvik-logger">
            @{
                var body =  context.Request.Body.As<string>(preserveContent: true);
                // ToBase64 to get it better tranfered
                var bodyToLog = System.Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(body));

                var headers = context.Request.Headers;
                Dictionary<string, string> contextProperties = new Dictionary<string, string>();
                foreach (var h in headers) {
                    contextProperties.Add(string.Format("{0}", h.Key), String.Join(", ", h.Value));
                }

                var requestLogMessage = new {
                    Headers = contextProperties,
                    Body = bodyToLog
                };
                return JsonConvert.SerializeObject(requestLogMessage);
            }
        </log-to-eventhub>
		<base />
	</inbound>
	<backend>
		<base />
	</backend>
	<outbound>
		<base />
	</outbound>
	<on-error>
		<base />
	</on-error>
</policies>