docs: function(jsonOBJ={}){
      // this creates querystring from json object
      var keys = Object.keys(jsonOBJ);
      var queryString = "?";
      for (let index = 0; index < keys.length; index++) {
          if (queryString == "?"){
              queryString += keys[index] + "=" + jsonOBJ[keys[index]];
  
          }else{
              queryString += "&" + keys[index] + "=" + jsonOBJ[keys[index]];
          }
          
      }
      return queryString;
  }