Inbuilt string substitution functions

Recipes with paramaterSets have params comprising of a key & value. In order to make the value part dynamic everytime a recipe is executed, following inbuilt functions are provided.

e.g.

{
    "id": "FillTrueFalseRecipe",
    "title": "Fill TrueFalse Question",
    "description": "It will fill T/F question, solution, hint & answerChoices",
    "project": "edulastic",
    "version": "0.1",
    "type": "child",
    "parameterSets": {
      "default": {
        "questionTitle": "Filling T/F {datetime}"
      }
    }
  },

###1. {datetime} Will be replaced by the current date time.

###2. {date} Will be replaced by the current date

###3. {time} Will be replaced by the current time

###4. {timeStamp} Will be replaced by the current timestamp

###5. {timeStamp(3)} Will be replaced by the last 3 digits of the current timestamp. A value between 1-13 can be specified.

###6. {randomString(5)} Will be replaced by a randomString upto 5 characters in length.

###7. {browser} Will be replaced by the browser name the user is currently using.