The GetCanvas command takes the url of a shared Maple Learn document, fetches the document and returns the XML string that describes its content.

$\mathrm{with}\left(\mathrm{DocumentTools}:-\mathrm{Canvas}\right)\:$

$\mathrm{url}≔''https://learn.maplesoft.com/?d=OULPGFDHIFNKDLJJGGMKJKNOARBJLHGRPOOKHKCQHPMFKMOTBFEHCUBUCQFNOGKSAMDOCUEFGMAJMQELFLEQEGOMETNULHFSCUGU''\:$

$\mathrm{cv}≔\mathrm{GetCanvas}\left(\mathrm{url}\right)\:$

$\mathrm{seq}\left(\mathrm{elem}\left[\mathrm{math}\right]\,\mathrm{elem}=\mathrm{GetMath}\left(\mathrm{cv}\right)\right)$

$\mathrm{ShowCanvas}\left(\mathrm{cv}\right)$

The DocumentTools[Canvas][GetCanvas] command was introduced in Maple 2021.

For more information on Maple 2021 changes, see Updates in Maple 2021.