WIP

Author: Watson1978

README.md

@@ -108,7 +108,8 @@ Refer [Config: Transport Section](https://docs.fluentd.org/configuration/transpo
 
 ### Input `opentelemetry_metrics` plugin
 
-This plugin provides Fluentd's metrics that conforms to the OpenTelemetry Protocol.
+This plugin emits Fluentd's metric data that conforms to the OpenTelemetry Protocol.
+To output the data, it requires to use output `opentelemetry` plugin.
 
 #### Root section
 
@@ -118,6 +119,26 @@ This plugin provides Fluentd's metrics that conforms to the OpenTelemetry Protoc
 | emit_interval      | time   | Determine the rate to emit internal metrics as events | `60`        |
 | metric_name_prefix | string | The prefix of metric name                             | `fluentd_`  |
 
+#### Example
+
+```
+# Emit Fluentd metrics
+<source>
+  @type opentelemetry_metrics
+  tag opentelemetry.fluentd.metrics
+  emit_interval 300s
+</source>
+
+# Send Fluentd metrics to opentelemetry collector
+<match opentelemetry.fluentd.metrics>
+  @type opentelemetry
+
+  <http>
+    endpoint "https://127.0.0.1:4318"
+  </http>
+</match>
+```
+
 ### Output `opentelemetry` plugin
 
 To send data, this plugin requires `<http>` or `<grpc>` section.