---
title: "Get PDF Page Count"
slug: "get-pdf-page-count"
updated: 2023-07-17T20:23:06Z
published: 2023-07-17T20:23:06Z
canonical: "documentation.decisions.com/get-pdf-page-count"
---

> ## 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.

# Get PDF Page Count

| Step Details |
| --- |
| **Introduced in Version** | 8.13.0 |
| **Last Modified in Version** | 8.13.0 |
| **Location** | Data > PDF |

The Get PDF Page Count step is designed to retrieve the total number of pages contained within a PDF file. By inputting a specific PDF file, the step efficiently analyzes the document's content and returns accurate page count information. This enables users to obtain essential page-related data programmatically and utilize it for various purposes, such as document processing, pagination, or generating reports.

---

## Properties

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| PDF | PDF file to retrieve the page count of. | FileData |

#### Outputs

| Property | Description | Data Type |
| --- | --- | --- |
| GetPDFPageCount1_Output | The count of pages within the PDF input. | Int32 |

---

## ![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/2023-07-17_16h06_50.png)

---

## Common Errors

### Value cannot be null

If the PDF File input is not specified, the step will result in the following error; please ensure the step is mapped correctly.

#### Exception Message:

```csharp
Exception Stack Trace: DecisionsFramework.Design.Flow.ErrorRunningFlowStep: Error running step Get PDF Page Count 1[GetPdfPageCount] in flow [Display Steps]: Exception invoking method GetPdfPageCount on class PdfManagementSteps
 ---> DecisionsFramework.LoggedException: Exception invoking method GetPdfPageCount on class PdfManagementSteps
 ---> System.ArgumentNullException: Value cannot be null. (Parameter 'pdfDocument'
 at DecisionsFramework.Design.Flow.CoreSteps.StandardSteps.PdfManagementSteps.GetPdfPageCount(FileData pdfDocument
 at InvokeStub_PdfManagementSteps.GetPdfPageCount(Object, Object, IntPtr*
 at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   --- 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)
```