Here is the list with all the hooks used in “Default” theme:
- before_coupon_outside
- before_coupon_inside
- after_coupon_inside
- after_coupon_outside
- before_product_outside
- before_product_inside
- after_product_inside
- after_product_outside
- before_store_outside
- before_store_inside
- after_store_inside
- after_store_outside
- before_review_outside
- before_review_inside
- after_review_inside
- after_review_outside
- before_widgets_featured_top
- after_widgets_featured_top
- before_widgets_featured_bottom
- after_widgets_featured_bottom
- before_widgets_right
- after_widgets_right
- store_before_info
- store_after_info
- store_before_items
- store_after_items
- coupon_before_info
- coupon_after_info
- coupon_before_items
- coupon_after_items
- product_before_info
- product_after_info
- product_before_items
- product_after_items
- index_before_search
- index_after_search
- user_before_nav
- user_after_nav
- user_account_before
- user_account_after
To understand how to apply a function/action for one of these hooks you need to read: