% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

## `TO_UPPER` [esql-to_upper]
:::{note}
###### Serverless: GA, Elastic Stack: COMING 9.1.0
Support for multivalued parameters is only available from 9.1.0
:::

**Syntax**

:::{image} ../../../images/functions/to_upper.svg
:alt: Embedded
:class: text-center
:::


:::{include} ../parameters/to_upper.md
:::

:::{include} ../description/to_upper.md
:::

:::{include} ../types/to_upper.md
:::

:::{include} ../examples/to_upper.md
:::