> For the complete documentation index, see [llms.txt](https://docs.islandrouter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.islandrouter.com/island-router-cli-2.3.2/commands/history/history-empty.md).

# history empty

Controls whether empty history files are to be created.

## Syntax

```
[no] history <instance> empty
```

## Syntax Description

<table><thead><tr><th width="203">Keyword</th><th>Description</th></tr></thead><tbody><tr><td><code>no</code></td><td>(Optional) Empty history files will not be created.</td></tr><tr><td>instance</td><td>The history instance to be modified. If the specified instance does not exist, it will be created unless the no keyword was also specified. Must be alphanumeric.</td></tr></tbody></table>

## Defaults

By default, the system will not create empty history files.

## Usage Guidelines

Once a history instance has been defined, history files will be created peridically based on the setting of the [history interval](/island-router-cli-2.3.2/commands/history/history-interval.md) command. By default, no history file is created for an interval if there were no history records generated during that interval. This command specifies that history files should always be created for an interval, even if the file contains no records.

## Examples

```
history myhist2 empty
```

## Related Commands


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