> For the complete documentation index, see [llms.txt](https://docs.mobilitylab.co.nz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mobilitylab.co.nz/user-guide/filters.md).

# Filters

dd filters to your map to limit the data that is displayed. Filters must be based on the columns in your dataset.

To add a filter:

1. Navigate to the datasets tab

<figure><img src="/files/Ffp6NhHn4wcps2wcnybE" alt=""><figcaption></figcaption></figure>

1. Under each dataset, a list of filters will be displayed. To create a new filter, Click **+ Filter**.
2. Choose a field on which to filter your data. Filter values are defined by field data type (number, string, etc.).&#x20;

   <figure><img src="/files/F77n233rNDYifp0DdxAS" alt=""><figcaption></figcaption></figure>
3. Your filter is applied to your map as soon as you specify the field and value.
4. Delete a filter anytime by clicking the **trashcan** to the right of the filter you wish to delete.

**Note**: filters apply to all layers in the same dataset on your map.