1. A method, comprising: receiving a first input in a software authoring environment, the first input related to authoring a multimedia application in the software authoring environment, the first input defining a presentation output object of the multimedia application; in response to receiving the first input in the software authoring environment: directly communicating, by the software authoring environment and through a pre-defined interface to a run-time player component, information related to a media object model for the multimedia application being edited in the software authoring environment, the media object model comprising a first hierarchy comprising data related to the presentation output object, the run-time player component separate from the software authoring environment; updating, by the run-time player component, a shadow media object model in the run-time player component for the presentation output object based on the communicated information, the shadow media object model comprising a second hierarchy comprising at least a portion of the data in the media object model; and in response to a determination by the run-time player component to update at least a portion of a stage in the software authoring environment, rendering, by the run-time player component to the stage in the software authoring environment, display of the presentation output object based on the updated shadow object model.