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Eric Koleda
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Merge pull request #63 from grant/master
Add syntax highlighting for README code samples
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‎README.md‎

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Original file line numberDiff line numberDiff line change
@@ -42,13 +42,15 @@ the menu item "File > Project properties".
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Alternatively you can call the service's `getRedirectUri()` method to view the
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exact URL that the service will use when performing the OAuth flow:
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/**
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* Logs the redict URI to register.
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*/
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function logRedirectUri() {
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var service = getService();
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Logger.log(service.getRedirectUri());
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}
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```js
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/**
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* Logs the redict URI to register.
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*/
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function logRedirectUri() {
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var service = getService();
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Logger.log(service.getRedirectUri());
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}
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```
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## Usage
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@@ -62,64 +64,68 @@ information is not persisted to any data store, so you'll need to create this
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object each time you want to use it. The example below shows how to create a
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service for the Google Drive API.
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function getDriveService() {
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// Create a new service with the given name. The name will be used when
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// persisting the authorized token, so ensure it is unique within the
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// scope of the property store.
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return OAuth2.createService('drive')
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```js
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function getDriveService() {
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// Create a new service with the given name. The name will be used when
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// persisting the authorized token, so ensure it is unique within the
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// scope of the property store.
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return OAuth2.createService('drive')
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// Set the endpoint URLs, which are the same for all Google services.
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.setAuthorizationBaseUrl('https://accounts.google.com/o/oauth2/auth')
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.setTokenUrl('https://accounts.google.com/o/oauth2/token')
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// Set the endpoint URLs, which are the same for all Google services.
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.setAuthorizationBaseUrl('https://accounts.google.com/o/oauth2/auth')
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.setTokenUrl('https://accounts.google.com/o/oauth2/token')
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// Set the client ID and secret, from the Google Developers Console.
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.setClientId('...')
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.setClientSecret('...')
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// Set the client ID and secret, from the Google Developers Console.
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.setClientId('...')
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.setClientSecret('...')
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// Set the name of the callback function in the script referenced
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// above that should be invoked to complete the OAuth flow.
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.setCallbackFunction('authCallback')
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// Set the name of the callback function in the script referenced
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// above that should be invoked to complete the OAuth flow.
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.setCallbackFunction('authCallback')
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// Set the property store where authorized tokens should be persisted.
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.setPropertyStore(PropertiesService.getUserProperties())
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// Set the property store where authorized tokens should be persisted.
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.setPropertyStore(PropertiesService.getUserProperties())
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// Set the scopes to request (space-separated for Google services).
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.setScope('https://www.googleapis.com/auth/drive')
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// Set the scopes to request (space-separated for Google services).
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.setScope('https://www.googleapis.com/auth/drive')
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// Below are Google-specific OAuth2 parameters.
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// Below are Google-specific OAuth2 parameters.
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// Sets the login hint, which will prevent the account chooser screen
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// from being shown to users logged in with multiple accounts.
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.setParam('login_hint', Session.getActiveUser().getEmail())
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// Sets the login hint, which will prevent the account chooser screen
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// from being shown to users logged in with multiple accounts.
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.setParam('login_hint', Session.getActiveUser().getEmail())
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// Requests offline access.
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.setParam('access_type', 'offline')
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// Requests offline access.
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.setParam('access_type', 'offline')
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// Forces the approval prompt every time. This is useful for testing,
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// but not desirable in a production application.
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.setParam('approval_prompt', 'force');
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}
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// Forces the approval prompt every time. This is useful for testing,
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// but not desirable in a production application.
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.setParam('approval_prompt', 'force');
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}
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```
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### 2. Direct the user to the authorization URL
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Apps Script UI's are not allowed to redirect the user's window to a new URL, so
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you'll need to present the authorization URL as a link for the user to click.
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The URL is generated by the service, using the function `getAuthorizationUrl()`.
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function showSidebar() {
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var driveService = getDriveService();
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if (!driveService.hasAccess()) {
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var authorizationUrl = driveService.getAuthorizationUrl();
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var template = HtmlService.createTemplate(
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'<a href="<?= authorizationUrl ?>" target="_blank">Authorize</a>. ' +
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'Reopen the sidebar when the authorization is complete.');
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template.authorizationUrl = authorizationUrl;
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var page = template.evaluate();
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DocumentApp.getUi().showSidebar(page);
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} else {
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...
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}
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}
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```js
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function showSidebar() {
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var driveService = getDriveService();
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if (!driveService.hasAccess()) {
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var authorizationUrl = driveService.getAuthorizationUrl();
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var template = HtmlService.createTemplate(
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'<a href="<?= authorizationUrl ?>" target="_blank">Authorize</a>. ' +
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'Reopen the sidebar when the authorization is complete.');
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template.authorizationUrl = authorizationUrl;
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var page = template.evaluate();
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DocumentApp.getUi().showSidebar(page);
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} else {
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// ...
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}
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}
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```
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### 3. Handle the callback
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@@ -128,15 +134,17 @@ for your service will be invoked. This callback function should pass its
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request object to the service's `handleCallback` function, and show a message
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to the user.
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function authCallback(request) {
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var driveService = getDriveService();
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var isAuthorized = driveService.handleCallback(request);
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if (isAuthorized) {
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return HtmlService.createHtmlOutput('Success! You can close this tab.');
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} else {
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return HtmlService.createHtmlOutput('Denied. You can close this tab');
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}
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}
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```js
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function authCallback(request) {
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var driveService = getDriveService();
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var isAuthorized = driveService.handleCallback(request);
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if (isAuthorized) {
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return HtmlService.createHtmlOutput('Success! You can close this tab.');
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} else {
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return HtmlService.createHtmlOutput('Denied. You can close this tab');
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}
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}
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```
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If the authorization URL was opened by the Apps Script UI (via a link, button, etc)
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it's possible to automatically close the window/tab using `window.top.close()`.
@@ -149,15 +157,17 @@ Now that the service is authorized you can use its access token to make
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reqests to the API. The access token can be passed along with a `UrlFetchApp`
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request in the "Authorization" header.
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function makeRequest() {
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var driveService = getDriveService();
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var response = UrlFetchApp.fetch('https://www.googleapis.com/drive/v2/files?maxResults=10', {
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headers: {
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Authorization: 'Bearer ' + driveService.getAccessToken()
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}
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});
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...
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```js
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function makeRequest() {
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var driveService = getDriveService();
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var response = UrlFetchApp.fetch('https://www.googleapis.com/drive/v2/files?maxResults=10', {
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headers: {
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Authorization: 'Bearer ' + driveService.getAccessToken()
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}
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});
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// ...
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}
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```
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## Compatiblity
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@@ -174,11 +184,13 @@ If you have an access token set and need to remove it from the property store
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you can remove it with the `reset()` function. Before you can call reset you
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need to set the property store.
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function clearService(){
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OAuth2.createService('drive')
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```js
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function clearService(){
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OAuth2.createService('drive')
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.setPropertyStore(PropertiesService.getUserProperties())
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.reset();
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}
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}
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```
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#### Setting the token format
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@@ -195,18 +207,21 @@ header on access token requests. The `setTokenHeaders()` method allows you
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to pass in a JavaScript object of additional header key/value pairs to be used
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in these requests.
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.setTokenHeaders({
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'Authorization': 'Basic ' + Utilities.base64Encode(CLIENT_ID + ':' + CLIENT_SECRET)
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});
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```js
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.setTokenHeaders({
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'Authorization': 'Basic ' + Utilities.base64Encode(CLIENT_ID + ':' + CLIENT_SECRET)
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});
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```
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See the [FitBit sample](samples/FitBit.gs) for the complete code.
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#### Modifying the access token payload
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Similar to Setting additional token headers, some services, such as the Smartsheet API, require you to [add a hash to the access token request payloads](http://smartsheet-platform.github.io/api-docs/?javascript#oauth-flow). The `setTokenPayloadHandler` method allows you to pass in a function to modify the payload of an access token request before the request is sent to the token endpoint:
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// Set the handler for modifying the access token request payload:
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.setTokenPayloadHandler(myTokenHandler)
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```js
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// Set the handler for modifying the access token request payload:
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.setTokenPayloadHandler(myTokenHandler)
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```
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See the [Smartsheet sample](samples/Smartsheet.gs) for the complete code.
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