> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# LOWER

> The LOWER function converts uppercase letters in text to lowercase. It is supported across various YiDA scenarios, including forms and workflow design.

The **LOWER** function converts uppercase letters in text to lowercase.

## Supported Scenarios

The LOWER function is supported in the following YiDA scenarios:

* Form (main table fields)
* Form (business association rules)
* Form (validation)
* Workflow design (validation rules)
* Workflow design (association actions)
* Integration and automation
* Workflow node
* Connector

## Syntax

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
LOWER(text)
```

## Attributes

| **Attribute** | **Required** | **Description**              |
| ------------- | ------------ | ---------------------------- |
| text          | Yes          | The text content to convert. |

## Return Value

| **Return type** | **Description**             |
| --------------- | --------------------------- |
| Text            | The converted text content. |

## Example

In the following figure, the formula returns `yida low-code`.

## Try It Out

Convert uppercase letters in the **Single-line text** component to lowercase.
