src/main/java/org/jinstagram/realtime/InstagramSubscription.java
public InstagramSubscription aspect(String aspect) {
		Preconditions.checkEmptyString(aspect, "Invalid 'aspect' key");
		
		this.params.put(Constants.ASPECT, aspect);

		return this;
	}
public InstagramSubscription aspect(String aspect) {
		Preconditions.checkEmptyString(aspect, "Invalid 'aspect' key");
		
		this.params.put(Constants.ASPECT, aspect);

		return this;
	}
Configure the aspect for the subscription

@param aspect The aspect of the subscription
@return the {@link InstagramSubscription} instance for method chaining