public void setStageName(String stageName) {
        this.stageName = stageName;
    }
<p>
The name of the stage in the pipeline to be rolled back.
</p>

@param stageName
       The name of the stage in the pipeline to be rolled back.
aws-java-sdk-codepipeline/src/main/java/com/amazonaws/services/codepipeline/model/RollbackStageRequest.java