Probably a shameful example of how to do things wrong.

gistfile1.txt

embedCode: function() {
  var config = this.get('show.location.vodConfiguration');
    
  if(!config || !config.get('isLoaded'))
    return '';

  var fileName = this.get('fileName'),
      baseUrl = config.get('baseUrl'),
      template = config.get('embedTemplate');

		return template.replace("#BASEURL#", baseUrl, "gi").replace("#FILENAME#", fileName, "gi");

}.property('show.location.vodConfiguration.baseUrl'),