# LastUpdateDateTime (String filePath)

| **Name**    | ***LastUpdateDateTime***                                          |
| ----------- | ----------------------------------------------------------------- |
| Syntax      | LastUpdateDateTime (String filePath)                              |
| Purpose     | To return the last update date time value for the specified file. |
| Description | Returns last update date time for a file.                         |
| Return Type | DateTime                                                          |
| Parameter   | filePath \[System.String] – Path of the source file               |

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/0%20\(136\).png)

**Example**

In this example, we are passing the required parameters to the function transformation object using a *Variables* object.

Where,

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

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/1%20\(137\).png)

Right-click on the function transformation object and select *Preview Output.* You can see that Astera Data Stack has returned the datetime value of when the specified file was last updated.

![](https://github.com/astera-software/Astera_Data_Stack_v9/blob/main/.gitbook/assets/2%20\(137\).png)