@ModuleOption("the name of the field for which values are counted")
	public void setFieldName(String fieldName) {
		this.fieldName = fieldName;
	}
Captures options for the {@code field-value-counter} sink module.

@author Eric Bottard
spring-xd-analytics/src/main/java/org/springframework/xd/analytics/metrics/metadata/FieldValueCounterSinkOptionsMetadata.java