public DocumentReviews withAction(DocumentReviewAction action) {
        this.action = action.toString();
        return this;
    }
<p>
The action to take on a document approval review request.
</p>

@param action
       The action to take on a document approval review request.
@return Returns a reference to this object so that method calls can be chained together.
@see DocumentReviewAction
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/DocumentReviews.java