public InstagramSubscription verifyToken(String verifyToken) {
		Preconditions.checkEmptyString(verifyToken, "Invalid 'verifyToken' key");

		this.params.put(Constants.VERIFY_TOKEN, verifyToken);

		return this;
	}
public InstagramSubscription verifyToken(String verifyToken) {
		Preconditions.checkEmptyString(verifyToken, "Invalid 'verifyToken' key");

		this.params.put(Constants.VERIFY_TOKEN, verifyToken);

		return this;
	}
public InstagramSubscription verifyToken ( String verifyToken ) { Preconditions . checkEmptyString ( verifyToken , "Invalid 'verifyToken' key" ) ; this . params . put ( Constants . VERIFY_TOKEN , verifyToken ) ; return this ; }
Configure the verifyToken for the subscription

@param verifyToken The token for the subscription
@return the {@link InstagramSubscription} instance for method chaining
Configure the verifyToken for the subscription