---
sourceDocument: Yokohama Data and Automation
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/integrate-applications

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Data and Automation

ft:clusterId :

    - crint

bundleId :

    - crint

workflow :

    - Creator


---

# Use the AppendBytes component

# Use the AppendBytes component {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Append bytes to a file as part of an automation Workflow by using the
AppendBytes component in RPA Desktop Design Studio.

## Before you begin

Role required: none

## About this task

You can configure the properties for the AppendBytes component. For more information
about these properties, see [Properties of the File components](https://www.servicenow.com/docs/DF8Mp_LWu5HnryRAA5tlpw "Learn about the properties of the File components in RPA Desktop Design Studio.").

## Procedure

1. In the Toolbox pane, navigate to UtilitiesFile.
2. Drag the AppendBytes component to the Design surface.
3. To configure the input fields, see [Configure port properties](https://www.servicenow.com/docs/d92L75lHSFmmidzeOPPgTw "Configure how data is passed to the input fields of a component or method in RPA Desktop Design Studio.").
4. Connect the data and control ports of the AppendBytes to the corresponding ports of the other components as described in the following table.  
   {#use-file-appendbytes__table_jnw_jn1_krb__entry__3}

   | Port type | Purpose of connection | Mandatory? |
   |-|-|-|
   | Data In (filePath) | Takes the path to the file to which the bytes are appended from a previously executed component. | Yes |
   | Data In (bytes) | Takes the bytes you want to append to the file from a previously executed component. | Yes |
   | Data Out | Returns the status of the Append Bytes operation. Returns True if successful or False if an error occurred. | 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. | Yes |
   | Control Out | Connects to the Control In port of another component or the default end component. | No. Connecting the port is optional. |
   [ ]

   {#use-file-appendbytes__table_jnw_jn1_krb}
5. **Optional:** To test the component, under the DESIGN tab, click Run.

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