> 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/string-functions/upper.md).

# Upper case

Converts all the alpha characters from every value of the selected columns into upper case.

## Location

![Upper case on the interface](/files/-MY65d5hzPmEu6qLxAHD)

## 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. |

## Example

![Upper case example](/files/-MY65d5jnYdMkVXQjHOO)