How to add, update or delete the URL attachment from material section in course

Summary:

We need to update, delete the URL attachment from material section highlighted in the screenshot.

Navigation- My Client Group->Learning->Learning Catalog->Courses

Content (required):

how can we update the material section using HDL.

Please suggest if we have any other solution/approach other than HDL to achieve the task.

Thank you in advance

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Code Snippet (add any code snippets that support your topic, if applicable):