# csv

The `csv` formatter plugin output an event as CSV.

```
"value1"[delimiter]"value2"[delimiter]"value3"[newline]
```

## Parameters

* [Common Parameters](/configuration/plugin-common-parameters.md)
* [Format section configurations](/configuration/format-section.md)

### `fields`

| type            | default | version |
| --------------- | ------- | ------- |
| array of string | `nil`   | 0.14.0  |

Specifies the output fields. It is a required parameter.

### delimiter (String, Optional. defaults to ",")

| type   | default | version |
| ------ | ------- | ------- |
| string | `,`     | 0.14.0  |

Delimiter for values.

Use `\t` or `TAB` to specify the tab character.

### `force_quotes`

| type | default | version |
| ---- | ------- | ------- |
| bool | `true`  | 0.14.0  |

If `false`, the value will not be framed by quotes.

### `add_newline`

| type | default | version |
| ---- | ------- | ------- |
| bool | `true`  | 0.14.12 |

Add `\n` to the result.

## Example

```
<format>
  @type csv
  fields host,method
</format>
```

With this configuration:

```
tag:    app.event
time:   1362020400
record: {"host":"192.168.0.1","size":777,"method":"PUT"}
```

This incoming event is formatted to:

In non-Windows:

```
"192.168.0.1","PUT"\n
```

In Windows:

```
"192.168.0.1","PUT"\r\n
```

With `force_quotes false`, the result is:

In non-Windows:

```
192.168.0.1,PUT\n
```

In Windows:

```
192.168.0.1,PUT\r\n
```

If this article is incorrect or outdated, or omits critical information, please [let us know](https://github.com/fluent/fluentd-docs-gitbook/issues?state=open). [Fluentd](http://www.fluentd.org/) is an open-source project under [Cloud Native Computing Foundation (CNCF)](https://cncf.io/). All components are available under the Apache 2 License.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.fluentd.org/formatter/csv.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.