---
alias: user-guide-automation-task-opcua-fileserver
tags:
- automation tasks
description: "This task facilitates OPC-UA file serving, managing file access within an OPC UA server"
---

# File Server

This task allows serving OPC-UA files on a directory or a single file. To be used with OPC UA driver in Server mode.

![Screenshot showing a settings page with a field labeled "File Server" and an input for directory files.](./images/file_server_parameters.png)

!!! warning
    This task is currently deprecated and will be removed in future versions.

## Inputs

| Name          | Data Type | Description                                  |
| ------------- | --------- | -------------------------------------------- |
| filePath      | `String`  | The full physical path of the file           |
| fileNamespace | `String`  | The namespace that shall be used by the file |
| Activate      |  `any`    | Activate the task                            |

## Outputs

| Name    | Data Type | Description                                                          |
| ------  | --------- | -------------------------------------------------------------------- |
| files   | `any`     | Files that have been added to the address space of the OPC-UA Server |
| Success | `Boolean` | If there was no problem emits a true                                 |
| Error   | `Error`   | Error that occurred during the processing of this task               |

## Settings

On the *General Tab*, you have the usual settings and the following settings:

| Name                       | Data Type | Default       | Description                                                                                                                                                         |
| -------------------------- | --------- | ------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Default Namespace          | `String`  |   `1`         | Namespace where the file shall be inserted. The server must be able to work with the specified namespace.                                                           |
| Default Identifier Prefix  | `String`  |               | Prefix that allow to manipulate how the identifier of the file will be built. The identifier without prefix is the full path, without the root, separated by "."    |
| Refresh File               | `Boolean` | false         | Flag to indicate if the content of the file shall be refreshed if a previous input file is provided again on the task                                            |
| Default Directory           | `String`  |               | The physical directory path where the files are located. All the files (subdirectory included) are considere. Only works if no file  is input on filePath input. |

![Screenshot showing a settings page with a field labeled "File Server" and an input for directory files.](./images/file_server_parameters.png)

## Behavior

Activate will trigger a message to the driver. The contents of the message are the values received in the inputs.

## Remarks

* All the communication with the equipment is handled by the driver in the backend.