> For the complete documentation index, see [llms.txt](https://appmaster.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://appmaster.gitbook.io/docs/business-logic/block/functions/string/to-lower-uppercase.md).

# To Lower/Uppercase

Converts a given string to lower/uppercase.

**Example:** To Uppercase("lorem") = "LOREM".

### Flow Connections <a href="#flow-connections" id="flow-connections"></a>

* \[Input] In - starts the block's execution.
* \[Output] Out - activates when the block has finished its execution.

### Data Connections <a href="#data-connections" id="data-connections"></a>

* \[Input] Input (string) - string to be converted.
* \[Output] Result (string) - result of the operation.