Content Service | Apps Script | Google for Developers

Content Service

Page Summary

The Content Service allows scripts to serve text in various formats like text, XML, or JSON.
The ContentService class is used for returning text content from a script.
The MimeType enum defines the various mime types that can be served from a script.
The TextOutput object represents the text content that can be served from a script.

This service allows scripts to serve text in various forms, such as text, XML, or JSON. See also the guide to Content Service. If you deploy the following script as a web app, you will see "Hello, world!" in the browser:

function doGet() {
  return ContentService.createTextOutput('Hello, world!');
}

Name	Brief description
`ContentService`	Service for returning text content from a script.
`MimeType`	An enum for mime types that can be served from a script.
`TextOutput`	A TextOutput object that can be served from a script.

Property	Type	Description
`MimeType`	`MimeType`

Method	Return type	Brief description
`createTextOutput()`	`TextOutput`	Create a new `TextOutput` object.
`createTextOutput(content)`	`TextOutput`	Create a new `TextOutput` object that can serve the given content.

Method	Return type	Brief description
`append(addedContent)`	`TextOutput`	Appends new content to the content that will be served.
`clear()`	`TextOutput`	Clears the current content.
`downloadAsFile(filename)`	`TextOutput`	Tells browsers to download rather than display this content.
`getContent()`	`String`	Gets the content that will be served.
`getFileName()`	`String`	Returns the file name to download this file as, or null if it should be displayed rather than downloaded.
`getMimeType()`	`MimeType`	Get the mime type this content will be served with.
`setContent(content)`	`TextOutput`	Sets the content that will be served.
`setMimeType(mimeType)`	`TextOutput`	Sets the mime type for content that will be served.

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Last updated 2026-04-13 UTC.