policyType

The scaling policy type. This parameter is required if you are creating a scaling policy.

The following policy types are supported:

TargetTrackingScaling—Not supported for Amazon EMR.

StepScaling—Not supported for DynamoDB, Amazon Comprehend, Lambda, Amazon Keyspaces, Amazon MSK, Amazon ElastiCache, or Neptune.

PredictiveScaling—Only supported for Amazon ECS.

For more information, see Target tracking scaling policies, Step scaling policies, and Predictive scaling policies in the Application Auto Scaling User Guide.