code: function(name, value){
  			var voc = this.getVocabulary('user') || {};
  			if (!('variables' in voc))
  				voc.variables = {};
  
  			voc.variables[name] = value;
  			this.setVocabulary(voc, 'user');
  		}
docs: Store runtime variable in user storage
  @param {String} name Variable name
  @param {String} value Variable value