Challenge Overview
Create an application that allows a user to assign a phone number to a document in his Box account. When someone sends a text message to that number, he should receive a response with a sharing link to the file.
Optional but encouraged:
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1.��Add tracking to the application ��� let the user know when someone texts the number and/or downloads the file.
2.��Add more Box functionality via text ��� for example, the ability to fetch or add comments to the file.
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