You can pass a survey token to this API to check if a particular user has responded to the survey before showing it. This method takes a string token as an argument and returns a boolean.
let hasResponded = Surveys.hasRespondedToSurvey(withToken: "TOKEN")BOOL hasResponded = [LCQSurveys hasRespondedToSurveyWithToken:@"TOKEN"];Surveys.hasRespondToSurvey("TOKEN");Surveys.hasRespondToSurvey("TOKEN")Surveys.hasRespondedToSurvey("SURVEY_TOKEN", function(hasResponded) {
alert("Has Responded: "+hasResponded);
});final hasResponded = Surveys.hasRespondedToSurvey("SURVEY_TOKEN");