public String getExecutionEngineId() {
        return this.executionEngineId;
    }
<p>
The unique ID of the execution engine for the notebook execution.
</p>

@return The unique ID of the execution engine for the notebook execution.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/NotebookExecutionSummary.java