---
title: "Is Changed"
slug: "is-changed"
updated: 2025-03-26T18:32:24Z
published: 2025-03-26T18:32:24Z
canonical: "documentation.decisions.com/is-changed"
---

> ## 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.

# Is Changed

| ## Step Details |
| --- |
| **Introduced in Version** | 4.0.0 |
| **Last Modified in Version** | 5.0.0 |
| **Location** | Database |

The **Is Changed** step validates if the specified Entity has changed.

---

## Properties

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| Entity Id | The Id of the desired entity | String |

#### 

![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/image-1670602059319.png)

#### 

---

## Common Errors

### Could not find entity with id

If the id provided as input is not valid or does not exist, it will cause an error to occur To correct this, ensure that the entity exists and that the Id is correct

#### Exception Message:

```csharp
Exception Stack Trace: DecisionsFramework.Design.Flow.ErrorRunningFlowStep: Error running step Is Field Changed 1[IsFieldChanged] in flow [Flow 6]: Exception invoking method IsFieldChanged on class EntitySteps ---> DecisionsFramework.LoggedException: Exception invoking method IsFieldChanged on class EntitySteps ---> DecisionsFramework.LoggedException: could not find entity with id 08dad9f8-315c-1f3b-1f24-2216a008776d at DecisionsFramework.Design.Flow.CoreSteps.DataBase.EntitySteps.GetEntityById(String entityId) at DecisionsFramework.Design.Flow.CoreSteps.DataBase.EntitySteps.IsFieldChanged(String entityId, String fieldName) --- 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 ---
```