# ScalingActionProperty

`ScalingAction` is a subproperty of the `ScalingRule` property type.

`ScalingAction` determines the type of adjustment the automatic scaling activity makes when triggered, and the periodicity of the adjustment.

- Source: Generated code
- Type last changed: v2.93.0 · 23 Aug 2023

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_emr as emr } from 'aws-cdk-lib';
const scalingActionProperty: emr.CfnInstanceGroupConfig.ScalingActionProperty = {
  simpleScalingPolicyConfiguration: {
    scalingAdjustment: 123,

    // the properties below are optional
    adjustmentType: 'adjustmentType',
    coolDown: 123,
  },

  // the properties below are optional
  market: 'market',
};
```

## Properties

- `market`: string — Not available for instance groups.

  Instance groups use the market type specified for the group.

- `simpleScalingPolicyConfiguration`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | [CfnInstanceGroupConfig.SimpleScalingPolicyConfigurationProperty](/cdk/api/v2/docs/aws-cdk-lib.aws_emr.CfnInstanceGroupConfig.SimpleScalingPolicyConfigurationProperty.html) (required) — The type of adjustment the automatic scaling activity makes when triggered, and the periodicity of the adjustment.