Add A Button Next To Buy Button On Product Detail Page

Store Builder Questions
1

I want to add a new Button next to the Buy Button , which hook can i use for the same and in which .tpl file ?

2

I want to add a new Button next to the Buy Button , which hook can i use for the same and in which .tpl file ?

Check common/product_data.tpl

Use search and find the hook name for add_to_cart

3

For example, check how the buy in one click button is displayed

design/themes/THEME/templates/addons/call_requests/hooks/products/add_to_cart.post.tpl