# FileExists (String filePath)

| **Name**    | ***FileExists***                                                                           |
| ----------- | ------------------------------------------------------------------------------------------ |
| Syntax      | FileExists (String filePath)                                                               |
| Purpose     | To check and return either ‘True’ or ‘False’ depending on whether a specified file exists. |
| Description | Checks whether a file exists.                                                              |
| Return Type | Boolean                                                                                    |
| Parameter   | filePath \[System.String] – Path of the file to check.                                     |

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(125\).png)

**Example**

In this example, we are passing the required parameter to the function transformation object using a *Variables* object. We will be checking for an existing file.

Where,

*filePath* = *C:\Users\Kanwal.Azim\OneDrive - Astera Software\Desktop\Functions Documentation\Files\File Exists\FileExists.docx*

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20\(126\).png)

Right-click on the function transformation object and select *Preview Output.* As you can see, Astera Data Stack has returned the Boolean value “True”, as this file does exist.

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/2%20\(126\).png)


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