From 1615b1c2a29932e2b6650b3304dcbd4578136cb3 Mon Sep 17 00:00:00 2001
From: Shizuo Fujita <fujita@clear-code.com>
Date: Fri, 14 Aug 2026 10:05:08 +0900
Subject: [PATCH] Document missing Plugin Helpers and Common Parameters links

Add the Plugin Helpers section to the seven pages whose plugins declare
helpers but do not list them, keeping the order of each `helpers` line.
Also add the Common Parameters link missing from in_unix and out_http.

Signed-off-by: Shizuo Fujita <fujita@clear-code.com>
---
 filter/record_transformer.md | 4 ++++
 formatter/csv.md             | 4 ++++
 input/monitor_agent.md       | 6 ++++++
 input/unix.md                | 6 ++++++
 output/http.md               | 6 ++++++
 service_discovery/file.md    | 4 ++++
 service_discovery/srv.md     | 4 ++++
 7 files changed, 34 insertions(+)

diff --git a/filter/record_transformer.md b/filter/record_transformer.md
index 3dddacec..12a26e76 100644
--- a/filter/record_transformer.md
+++ b/filter/record_transformer.md
@@ -92,6 +92,10 @@ Finally, this configuration embeds the value of the second part of the tag in th
 
 So, if an event with the tag `web.auth` and record `{"user_id":1, "status":"ok"}` comes in, it transforms it into `{"user_id":1, "status":"ok", "service_name":"auth"}`.
 
+## Plugin Helpers
+
+* [`record_accessor`](../plugin-helper-overview/api-plugin-helper-record_accessor.md)
+
 ## Parameters
 
 See [Common Parameters](../configuration/plugin-common-parameters.md).
diff --git a/formatter/csv.md b/formatter/csv.md
index a48b93aa..17697a47 100644
--- a/formatter/csv.md
+++ b/formatter/csv.md
@@ -6,6 +6,10 @@ The `csv` formatter plugin outputs an event as CSV.
 "value1"[delimiter]"value2"[delimiter]"value3"[newline]
 ```
 
+## Plugin Helpers
+
+* [`record_accessor`](../plugin-helper-overview/api-plugin-helper-record_accessor.md)
+
 ## Parameters
 
 * [Common Parameters](../configuration/plugin-common-parameters.md)
diff --git a/input/monitor_agent.md b/input/monitor_agent.md
index 6896b5fb..250455db 100644
--- a/input/monitor_agent.md
+++ b/input/monitor_agent.md
@@ -28,6 +28,12 @@ $ curl http://host:24220/api/plugins
 
 Refer to the [Configuration File](../configuration/config-file.md) article for the basic structure and syntax of the configuration file.
 
+## Plugin Helpers
+
+* [`timer`](../plugin-helper-overview/api-plugin-helper-timer.md)
+* [`thread`](../plugin-helper-overview/api-plugin-helper-thread.md)
+* [`http_server`](../plugin-helper-overview/api-plugin-helper-http_server.md)
+
 ## Parameters
 
 See [Common Parameters](../configuration/plugin-common-parameters.md).
diff --git a/input/unix.md b/input/unix.md
index f1d6feaa..70de4509 100644
--- a/input/unix.md
+++ b/input/unix.md
@@ -15,8 +15,14 @@ It is included in Fluentd's core.
 
 Refer to the [Configuration File](../configuration/config-file.md) article for the basic structure and syntax of the configuration file.
 
+## Plugin Helpers
+
+* [`event_loop`](../plugin-helper-overview/api-plugin-helper-event_loop.md)
+
 ## Parameters
 
+See [Common Parameters](../configuration/plugin-common-parameters.md).
+
 ### `@type` \(required\)
 
 The value must be `unix`.
diff --git a/output/http.md b/output/http.md
index 77f475bf..5dead908 100644
--- a/output/http.md
+++ b/output/http.md
@@ -28,8 +28,14 @@ Please see the [Configuration File](../configuration/config-file.md) article for
 
 For `<buffer>`, refer to [Buffer Section Configuration](../configuration/buffer-section.md).
 
+## Plugin Helpers
+
+* [`formatter`](../plugin-helper-overview/api-plugin-helper-formatter.md)
+
 ## Parameters
 
+[Common Parameters](../configuration/plugin-common-parameters.md)
+
 ### `@type`
 
 The value must be `http`.
diff --git a/service_discovery/file.md b/service_discovery/file.md
index 0f0fe4f6..ce0db3ea 100644
--- a/service_discovery/file.md
+++ b/service_discovery/file.md
@@ -30,6 +30,10 @@ Here is an example of target list file \(`/etc/fluentd/sd.yaml`\):
   'name': server2
 ```
 
+## Plugin Helpers
+
+* [`event_loop`](../plugin-helper-overview/api-plugin-helper-event_loop.md)
+
 ## Parameters
 
 ### `@type`
diff --git a/service_discovery/srv.md b/service_discovery/srv.md
index 51b3ee39..25da9050 100644
--- a/service_discovery/srv.md
+++ b/service_discovery/srv.md
@@ -19,6 +19,10 @@ Here is an example of `out_forward` updating the targets to get the SRV record f
 </match>
 ```
 
+## Plugin Helpers
+
+* [`timer`](../plugin-helper-overview/api-plugin-helper-timer.md)
+
 ## Parameters
 
 ### `@type`