## engine.render() Render a Chameleon template to an HTML string. Usage ``` python engine.render( template_file, **template_data, ) ``` ## Parameters `template_file: str` The Chameleon template file (path relative to the template folder). `**template_data: Any` Values passed to the template as the model. ## Returns `str` The rendered HTML as a string. ## Raises `FlaskChameleonException` If [global_init()](global_init.md#chameleon_flask.global_init) has not been called yet.