# Value is invalid

![](/files/P6F4twtdnqaJGFFbnjGG)

{% tabs %}
{% tab title="Entry Vars" %}
**Variable to validate :** The variable or value to be validated must be entered. This means that if a value is not entered or the variable is empty or with a negation value such as: false , null , 0 .

**Step by Step :**

<figure><img src="/files/gT79BACE1mym9burxE2R" alt=""><figcaption></figcaption></figure>
{% endtab %}

{% tab title="Callbacks & Outvar" %}
**Is a valid value :** It is executed when the property or the value entered is a valid character value.

OutVars&#x20;

`Null`

**Is an invalid value :** It is executed when the property or the value entered is an invalid character value.

OutVars&#x20;

`Null`
{% endtab %}

{% tab title="Features" %}

{% endtab %}

{% tab title="examples" %}

{% endtab %}
{% endtabs %}


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