public void setAttributeKey(String attributeKey) {
        this.attributeKey = attributeKey;
    }
<p>
Specifies an attribute on which to filter the events returned.
</p>

@param attributeKey
       Specifies an attribute on which to filter the events returned.
@see LookupAttributeKey
aws-java-sdk-cloudtrail/src/main/java/com/amazonaws/services/cloudtrail/model/LookupAttribute.java