# If Control Exists

This action is used to check whether a specified control identifier exists.

## **Properties**

<figure><img src="/files/xGQGLoBpUhQwq03N8QTM" alt=""><figcaption></figcaption></figure>

### **Input**

* **Identifier**: The control identifier of the target object.

### **Output**

* **Output**: The name of the variable to store the value.

{% hint style="info" %}
The variable must be boolean.
{% endhint %}

### **Misc**

* **Display Name**: action display name in your implementation project
* **Wait Before**: number milliseconds robot to wait before executing the action.
* **Wait After:** number milliseconds robot to wait until moving to the next action.
* **Abort on Error**: True/False
* **Retry Times**: Specifies the number of times to retry an action if it doesn't end successfully. Default value 0 (no retry); Use -1 if you want to retry indefinitely.&#x20;

## **Use Case**

### **Potential Use Cases**

* Check on a website if a text field exists in order to control the flow of the robot.
* Check if a certain button exists in an app in order to set the behavior of the robot.

### **Examples of Using If Control Exists**

**Example**&#x20;

Watch the robot in action:

{% embed url="<https://www.youtube.com/watch?v=51jmJZMAWGA>" %}

You can check and download the example from here:

{% file src="/files/kABwko5Qmtz52B2TZVHJ" %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.tailent.com/actions/tap-actions/control/if-control-exists.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
