public void setActionType(ActionTypeDeclaration actionType) {
        this.actionType = actionType;
    }
<p>
The action type definition for the action type to be updated.
</p>

@param actionType
       The action type definition for the action type to be updated.
aws-java-sdk-codepipeline/src/main/java/com/amazonaws/services/codepipeline/model/UpdateActionTypeRequest.java