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# IPoPMeasureDefinition

- Package: [@gooddata/sdk-model](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/index.md)
- Kind: interface
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-model/src/execution/measure/index.ts

Defines Period-Over-Period measure (or Time-over-Time).

**Signature:**

```typescript
export interface IPoPMeasureDefinition 
```

## Remarks

This is a derived measure that calculates value of a measure referenced by measureIdentifier in previous period. The period to calculate value for will be determined from the specified date data set's attribute - popAttribute.

## Properties

| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [popMeasureDefinition](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipopmeasuredefinition/index.md#ipopmeasuredefinitionpopmeasuredefinition) |  | [IPoPMeasureDefinitionBody](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ipopmeasuredefinitionbody/index.md) |  |

## Property details

### IPoPMeasureDefinition.popMeasureDefinition

**Signature:**

```typescript
popMeasureDefinition: IPoPMeasureDefinitionBody;
```