# error-message

**Optional**

**Type:** `string`

**Default**: An error message that relates to the bound input

Override the default error message when the input component is validated.

{% hint style="info" %}
**Remember to use `required="true"`**

The overridden error message will only be used when the input component is marked as required. I.e. `required="true"`
{% endhint %}

#### Example - `error-message` on a `text-input`

{% code title="main.view\.xml" %}

```xml
<var name="username" type="text"/>

<text-input bind="username" required="true" error-message="You must enter a username"/>
```

{% endcode %}

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