@ModuleOption("name for the topic")
	public void setTopic(String topic) {
		this.topic = topic;
		this.topicExpression = "'" + this.topic + "'";
	}
Options metadata for Redis sink module.

@author Ilayaperumal Gopinathan
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/modules/metadata/RedisSinkOptionsMetadata.java