tableau · shinchris · Jun 29, 2020 · Jun 26, 2020 · Jun 29, 2020 · Jun 29, 2020
diff --git a/docs/api-ref.md b/docs/api-ref.md
@@ -1595,9 +1595,15 @@ Name  |  Description
 ### CSVRequestOptions class
 
 ```py
-CSVRequestOptions()
+CSVRequestOptions(maxage=-1)
 ```
-Use this class to specify view filters to be applied when the CSV data is generated. See `views.populate_csv`.
+Use this class to specify view filters to be applied when the CSV data is generated. Optionally, you can specify the maximum age of the CSV data cached on the server by providing a `maxage` value. See `views.populate_csv`.
+
+**Attributes**
+
+Name  |  Description  
+:--- | :---  
+`maxage` | Optional. The maximum number of minutes the CSV data will be cached on the server before being refreshed. The value must be an integer between `1` and `240` minutes. `0` will be interpreted as 1 minute on server, as that is the shortest interval allowed. By default, `maxage` is set to `-1`, indicating the default behavior configured in server settings.
 
 **Example**
 
@@ -1607,7 +1613,7 @@ Use this class to specify view filters to be applied when the CSV data is genera
 # sign in, get a specific view, etc.
 
 # set view filters
-csv_req_option = TSC.CSVRequestOptions()
+csv_req_option = TSC.CSVRequestOptions(maxage=5)
 csv_req_option.vf('Region', 'South')
 csv_req_option.vf('Category', 'Furniture')
 
@@ -1618,15 +1624,16 @@ server.views.populate_csv(view_item, csv_req_option)
 ### ImageRequestOptions class
 
 ```py  
-ImageRequestOptions(imageresolution=None)
+ImageRequestOptions(imageresolution=None, maxage=-1)
 ```
-Use this class to specify the resolution of the view returned as an image. You can also use this class to specify view filters to be applied when the image is generated. See `views.populate_image`. 
+Use this class to specify the resolution of the view and, optionally, the maximum age of the image cached on the server. You can also use this class to specify view filters to be applied when the image is generated. See `views.populate_image`.
 
 **Attributes**
 
 Name  |  Description  
 :--- | :---  
 `imageresolution` | The resolution of the view returned as an image. You set this option with the `Resolution` class. If unspecified, the `views.populate_image` method returns an image with standard resolution (the width of the returned image is 784 pixels). If you set this parameter value to high (`Resolution.High`), the width of the returned image is 1568 pixels. For both resolutions, the height varies to preserve the aspect ratio of the view.
+`maxage` | Optional. The maximum number of minutes the image will be cached on the server before being refreshed. The value must be an integer between `1` and `240` minutes. `0` will be interpreted as 1 minute on server, as that is the shortest interval allowed. By default, `maxage` is set to `-1`, indicating the default behavior configured in server settings.
 
 **View Filters**
 
@@ -1640,7 +1647,7 @@ You can use the `vf('filter_name', 'filter_value')` method to add view filters.
 # sign in, get a specific view, etc.  
 
 # set the image request option 
-image_req_option = TSC.ImageRequestOptions(imageresolution=TSC.ImageRequestOptions.Resolution.High)
+image_req_option = TSC.ImageRequestOptions(imageresolution=TSC.ImageRequestOptions.Resolution.High, maxage=1)
 
 # (optional) set a view filter
 image_req_option.vf('Category', 'Furniture')
@@ -1653,16 +1660,17 @@ server.views.populate_image(view_item, image_req_option)
 ### PDFRequestOptions class
 
 ```py  
-PDFRequestOptions(page_type=None, orientation=None)
+PDFRequestOptions(page_type=None, orientation=None, maxage=-1)
 ```
-Use this class to specify the format of the PDF that is returned for the view. See `views.populate_pdf`. 
+Use this class to specify the format of the PDF that is returned for the view. Optionally, you can specify the maximum age of the rendered PDF that is cached on the server by providing a `maxage` value. See `views.populate_pdf`. 
 
 **Attributes**
 
 Name  |  Description  
 :--- | :---  
 `page_type` | The type of page returned in PDF format for the view. The page_type is set using the `PageType` class: <br> `PageType.A3`<br> `PageType.A4`<br> `PageType.A5`<br> `PageType.B5`<br> `PageType.Executive`<br> `PageType.Folio`<br>  `PageType.Ledger`<br> `PageType.Legal`<br> `PageType.Letter`<br> `PageType.Note`<br> `PageType.Quarto`<br> `PageType.Tabloid`
 `orientation` | The orientation of the page. The options are portrait and landscape. The options are set using the `Orientation` class: <br>`Orientation.Portrait`<br> `Orientation.Landscape`
+`maxage` | Optional. The maximum number of minutes the rendered PDF will be cached on the server before being refreshed. The value must be an integer between `1` and `240` minutes. `0` will be interpreted as 1 minute on server, as that is the shortest interval allowed. By default, `maxage` is set to `-1`, indicating the default behavior configured in server settings.
 
 **View Filters**
 You can use the `vf('filter_name', 'filter_value')` method to add view filters. When the PDF is generated, the specified filters will be applied to the view.
@@ -1675,7 +1683,9 @@ You can use the `vf('filter_name', 'filter_value')` method to add view filters.
 # sign in, get a specific view, etc.  
 
 # set the PDF request options
-pdf_req_option = TSC.PDFRequestOptions(page_type=TSC.PDFRequestOptions.PageType.A4, orientation=TSC.PDFRequestOptions.Orientation.Landscape)
+pdf_req_option = TSC.PDFRequestOptions(page_type=TSC.PDFRequestOptions.PageType.A4,
+				       orientation=TSC.PDFRequestOptions.Orientation.Landscape,
+				       maxage=1)
 
 # (optional) set a view filter
 pdf_req_option.vf('Region', 'West')
@@ -3259,7 +3269,7 @@ This endpoint is available with REST API version 2.5 and up.
 Name | description
 :--- | :---
 `view_item` | Specifies the view to populate.
-`req_options` | (Optional) You can pass in a request object to specify a high resolution image. By default, the image will be in low resolution. You can also specify view filters to be applied when the image is generated. See [ImageRequestOptions class](#imagerequestoptions-class) for more details.
+`req_options` | (Optional) You can pass in request options to specify the image resolution and the maximum age of the view image cached on the server. By default, the image will be in low resolution. The maximum image cache time is the value of `maxage` in minutes, and must be an integer between 1 and 240. A value of zero will cause the minimum cache time of 1 minute. A value of -1 will cache images for the time configured in server settings. You can also specify view filters to be applied when the image is generated. See [ImageRequestOptions class](#imagerequestoptions-class) for more details.
 
 **Exceptions**
 
@@ -3306,7 +3316,7 @@ This endpoint is available with REST API version 2.7 and up.
 Name | description
 :--- | :---
 `view_item` | Specifies the view to populate.
-`req_options` | (Optional) You can pass in a request object to specify view filters to be applied when the CSV data is generated. See [CSVRequestOptions class](#csvrequestoptions-class) for more details.
+`req_options` | (Optional) You can pass in request options to specify the maximum age of the CSV cached on the server. The maximum CSV cache time is the value of `maxage` in minutes, and must be an integer between 1 and 240. A value of zero will cause the minimum cache time of 1 minute. A value of -1 will cache CSV files for the time configured in server settings. You can also specify view filters to be applied when the data is generated. See [CSVRequestOptions class](#csvrequestoptions-class) for more details.
 
 **Exceptions**
 
@@ -3341,7 +3351,7 @@ views.populate_pdf(view_item, req_options=None)
 
 Populates the PDF content of the specified view.
 
-This method uses the `id` field to query the PDF content, and populates the content as the `pdf` field.
+This method populates a PDF with image(s) of the view you specify.
 
 REST API: [Query View PDF](https://onlinehelp.tableau.com/current/api/rest_api/en-us/REST/rest_api_ref.htm#query_view_pdf){:target="_blank"}
 
@@ -3354,7 +3364,7 @@ This endpoint is available with REST API version 2.7 and up.
 Name | description
 :--- | :---
 `view_item` | Specifies the view to populate.
-`req_options` | (Optional) You can pass in a request object to specify the page type and orientation of the PDF content. If not specified, PDF content will have default page type and orientation. You can also specify view filters to be applied when the PDF is generated. See [PDFRequestOptions class](#pdfrequestoptions-class) for more details.
+`req_options` | (Optional) You can pass in request options to specify the page type and orientation of the PDF content, as well as the maximum age of the PDF rendered on the server. If not specified, PDF content will have default page type and orientation. The maximum PDF cache time is the value of `maxage` in minutes, and must be an integer between 1 and 240. A value of zero will cause the minimum cache time of 1 minute. A value of -1 will cache PDF files for the time configured in server settings. You can also specify view filters to be applied when the PDF is generated. See [PDFRequestOptions class](#pdfrequestoptions-class) for more details.
 
 **Exceptions**
 
@@ -3995,6 +4005,9 @@ None. The preview image is added to the view.
 
 ```  
 
+<br>
+<br> 
+
 #### workbooks.update_connection
 
 ```py
@@ -4042,4 +4055,49 @@ server.workbooks.update_conn(workbook, connection)
 <br>
 <br> 
 
+#### workbooks.populate_pdf
+```
+workbooks.populate_pdf(workbook_item, req_options=None)
+```
+
+Populates the PDF content of the specified workbook.
+
+This method populates a PDF with image(s) of the workbook view(s) you specify.
+
+REST API: [Download Workbook PDF](https://help.tableau.com/current/api/rest_api/en-us/REST/rest_api_ref_workbooksviews.htm#download_workbook_pdf){:target="_blank"}
+
+**Version**
+
+This endpoint is available with REST API version 3.4 and up.
+
+**Parameters**
+
+Name | description
+:--- | :---
+`workbook_item` | Specifies the workbook to populate.
+`req_options` | (Optional) You can pass in request options to specify the page type and orientation of the PDF content, as well as the maximum age of the PDF rendered on the server. If not specified, PDF content will have default page type and orientation. The maximum PDF cache time is the value of `maxage` in minutes, and must be an integer between 1 and 240. A value of zero will cause the minimum cache time of 1 minute. A value of -1 will cache PDF files for the time configured in server settings. See [PDFRequestOptions class](#pdfrequestoptions-class) for more details.
+
+**Exceptions**
+
+Error | Description
+:--- | :---
+`Workbook item missing ID` | Raises an error if the ID of the workbook is missing.
+
+**Returns**
+
+None. The PDF content is added to the `workbook_item` and can be accessed by its `pdf` field.
+
+**Example**
+```py
+# Sign in, get view, etc.
+
+# Populate and save the workbook pdf as 'workbook_pdf.pdf'
+server.workbooks.populate_pdf(workbook_item)
+with open('./workbook_pdf.pdf', 'wb') as f:
+	f.write(workbook_item.pdf)
+```
+
+<br>
+<br>
+