--- title: "Does Image Have QRCode" slug: "does-image-have-qrcode" updated: 2023-02-01T22:57:53Z published: 2023-02-01T22:57:53Z canonical: "documentation.decisions.com/does-image-have-qrcode" --- > ## 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. # Does Image Have QRCode | ## Step Details | | --- | | **Introduced in Version** | 4.0.0 | | **Last Modified in Version** | 8.8.0 | | **Location** | Integration > QR Code | --- The **Does Image Have QRCode** step evaluates whether the specified input data has QRcode data. ### Prerequisites This step requires the [QRCode module](https://documentation.decisions.com/docs/qr-codes-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 | | --- | --- | --- | | Data | The desired list of byte data to evaluate | List of Byte | --- #### ![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1675271611550.png) --- ## Common Errors ### Incorrect Parameter Count, Data Not Mapped Correctly If the value for the Data field is empty, the step will cause an error. To correct this, ensure that a value is mapped or uploaded to the Data field input. #### Exception Message: ```csharp Exception Stack Trace: DecisionsFramework.Design.Flow.ErrorRunningFlowStep: Error running step Does Image Have QRCode 1[DoesImageHaveQRCode] in flow [Flow 1]: Incorrect Parmater Count, Data Not Mapped Correctly ---> DecisionsFramework.LoggedException: Incorrect Parmater Count, Data Not Mapped Correctly ---> System.Reflection.TargetParameterCountException: Parameter count mismatch. at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture at DecisionsFramework.Design.Flow.StepImplementations.InvokeMethodStep.Run(StepStartData data) --- End of inner exception stack trace --- at DecisionsFramework.Design.Flow.StepImplementations.InvokeMethodStep.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) --- End of inner exception stack trace --- ``` --- Related Information Documentation: [QR Codes Module](https://documentation.decisions.com/docs/qr-codes-module#overview) Forum Posts: [Generate QR Codes](https://support.decisions.com/forum/topic25382-generate-qr-codes.aspx) ## 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)