public void setRetentionMode(String retentionMode) {
        this.retentionMode = retentionMode;
    }
<p>
The run's retention mode.
</p>

@param retentionMode
       The run's retention mode.
@see RunRetentionMode
aws-java-sdk-omics/src/main/java/com/amazonaws/services/omics/model/GetRunResult.java