--- title: Use the GetExtension component description: Get the extension of a file and know its type as part of an automation Workflow by using the GetExtension component in RPA Desktop Design Studio. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/integrate-applications/use-utilities-file-getextension.html release: australia topic_type: task last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [File, Utilities, Automation components, RPA Desktop Design Studio, Robotic Process Automation \(RPA\) Hub, Workflow Data Fabric] --- # Use the GetExtension component Get the extension of a file and know its type as part of an automation Workflow by using the GetExtension component in RPA Desktop Design Studio. ## Before you begin Role required: none ## About this task You can configure the properties for the GetExtension component. For more information about these properties, see [Properties of the File components](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/integrate-applications/util-file-prop.md). ## Procedure 1. In the Toolbox pane, navigate to **Utilities** > **File**. 2. Drag the GetExtension component to the Design surface. 3. To configure the input fields, see [Configure port properties](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/integrate-applications/configure-input-port-properties.md). 4. Connect the data and control ports of the GetExtension component to the corresponding ports of the other component as described in the following table.
| Port type | Purpose of connection | Mandatory? |
|---|---|---|
| Data In \(Path\) | Takes the path to the file and the name of the file from a previously executed component. | Yes |
| Data Out \(Return\) | Returns the file extension and passes to the next component. | Yes.To preview the data, right-click the **Return** field and click **Preview Data**. |
| Control In | Connects to the Control Out port of one or more components. | No. Connecting the port is optional. |
| Control Out | Connects to the Control In port of another component or the default end component. | No. Connecting the port is optional. |