Hi Maggie there are two actions you could use to add custom content below the download form. 'somdn_after_add_to_cart_button' is run immediately after the download button on single product pages, and 'somdn_after_add_to_cart_form' is run after that, again on single product pages.

Thank you!  And how exactly would I go about adding an action book? Is there other code I need to add as well?

What is the text you want to add?

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