> For the complete documentation index, see [llms.txt](https://hi-primus.gitbook.io/bumblebee/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hi-primus.gitbook.io/bumblebee/transformations/transformation-functions/fill_na.md).

# Fill null values

Fill null values of the selected columns with a given value.

## Location

![Fill null values on the interface](https://1348350781-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MV2mHcaOiKNDfEbfXux%2Fsync%2F5445416bb055e210fd656d4e21e65ec1c1d38a74.png?generation=1618272312989935\&alt=media)

## Fields

| Field                 | Type       | Description                                                                          |
| --------------------- | ---------- | ------------------------------------------------------------------------------------ |
| Output column name(s) | Text field | Name of the output column(s), if left blank will save the result on the same column. |
| Fill                  | Text field |                                                                                      |

## Example

![Fill null values fields](https://1348350781-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MV2mHcaOiKNDfEbfXux%2Fsync%2F333864f662583a647af21592445a37e37c508acc.png?generation=1618272337334497\&alt=media) ![Fill null values example](https://1348350781-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MV2mHcaOiKNDfEbfXux%2Fsync%2F8bdb857524fa4fc7c487b9002282cc84500471ff.png?generation=1618248147512086\&alt=media)