---
title: "Generate Bar Code"
slug: "generate-bar-code"
tags: ["QR code", "barcode"]
updated: 2025-07-09T18:03:11Z
published: 2025-07-09T18:03:11Z
canonical: "documentation.decisions.com/generate-bar-code"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.decisions.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Generate Bar Code

| ## Step Details |
| --- |
| **Introduced in Version** | 4.0.0 |
| **Last Modified in Version** | 8.7.0 |
| **Location** | Data > QR & Barcodes |

---

The **Generate Bar Code** step allows users to generate a QR image for a specified text.

---

### Prerequisites

This step requires the QRCodes module to be [installed](https://documentation.decisions.com/docs/installing-modules-decisions) before it will be available in the toolbox.

---

## Properties

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| Barcode Text | The desired text that will be displayed under the Barcode image | String |

#### Settings

| Property | Description | Data Type |
| --- | --- | --- |
| BarcodeEncoding | The desired [encoding](https://en.wikipedia.org/wiki/Barcode#Types_of_barcodes) type for the Barcode to determine the output Barcode image | --- |

#### Outputs

| Property | Description | Data Type |
| --- | --- | --- |
| Barcode File | The image file of the Barcode and text | FileData |

---

## Example Inputs and Outputs

| Barcode Text | Output |
| --- | --- |
| This is input | BarCode.jpg |
| Null | EXCEPTION MESSAGE |
| Empty | EXCEPTION MESSAGE |

#### ![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1675186280206.png)

---

## Common Errors

### You cannot generate a bar code without any barcode text

If the Barcode Text value is null or empty, the step will cause an error. To correct this, enter or map a value to the field.

#### Exception Message:

```csharp
Exception Stack Trace: DecisionsFramework.BusinessRuleException: [BusinessRule] You cannot generate a bar code without any barcode text. 
at DecisionsFramework.Design.Flow.CoreSteps.StandardSteps.CreateBarCodeStep.Run(StepStartData data
 at DecisionsFramework.Design.Flow.FlowStep.RunStepInternal(String flowTrackingID, String stepTrackingID, KeyValuePairDataStructure[] stepRunDataValues, AbstractFlowTrackingData trackingData
 at DecisionsFramework.Design.Flow.FlowStep.Start(String flowTrackingID, String stepTrackingID, FlowStateData data, AbstractFlowTrackingData trackingData, RunningStepData currentStepData)
```

---

Related Information

Forum Posts: [Generate QR Codes](https://community.decisions.com/discussion/25382/generate-qr-codes)

## Related

- [Recognize Bar/QR Codes From PDF](/recognize-barqr-codes-from-pdf.md)
- [Recognize Bar/QR Codes From Word Doc Step](/recognize-barqr-codes-from-word-doc-step.md)
- [Recognize Bar/QR Codes From Image Data Step](/recognize-barqr-codes-from-image-data-step.md)