code: function(apiKey){
  
      // Default parent scope does not have parent.
      this.parentScope = null;
  
      // Setup apiKey of the current Scope if it is a String.
      if(Utils.isString(apiKey)){
        this.apiKey = apiKey;
      }else{
        throw new TypeError('Scope constructor should be called with API Key.');
      }
  
      this.$init = EVT.api({
        url: '/access',
        authorization: this.apiKey
      });
    }
docs: Scope super class constructor: - _**new Scope(apiKey)** - API Key string_