--- 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.
5. To test the component, under the **DESIGN** tab, click **Run**. **Parent Topic:**[File](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/integrate-applications/file.md)