nlobjResponse.setContentType ( type , filename , disposition )

/**
* sets the content type for the response (and an optional filename for binary output).
*
* @param {string} type the file type i.e. plainText, word, pdf, htmldoc (see list of media item types)
* @param {string} filename the file name
* @param {string} disposition Content Disposition used for streaming attachments: inline|attachment
* @return {void}
* @method
* @memberOf nlobjResponse
*
* @since 2008.2
*/