> ## Documentation Index
> Fetch the complete documentation index at: https://docs.omni.co/llms.txt
> Use this file to discover all available pages before exploring further.

# filter_single_select_only

> Restricts a dimension to only allow single-value style filters.

## Limitations

This parameter is only compatible with string fields and filters.

## Syntax

```yaml theme={null}
<dimension_name>:
  filter_single_select_only: true
```

## Properties

<ParamField path="dimension_name" type="object">
  The name of the dimension. Dimension names must:

  * Be unique within the view
  * Start with a letter
  * Contain only alphanumeric characters and underscores

  <Expandable title="dimension_name properties" defaultOpen="true">
    <ParamField path="filter_single_select_only" type="boolean" default="false">
      When set to `true`, restricts the field to single-value selection in filters. Defaults to `false`.
    </ParamField>
  </Expandable>
</ParamField>

## Examples

```yaml title="Single select country filter" theme={null}
country:
  filter_single_select_only: true
```