ExpressionEngine's Hooks
Developers can hook into the core files to extend ExpressionEngine's native functionality by using any of the hooks included in the core files.
There are 191 hooks for ExpressionEngine development. You can view this same list at the official landing page for the hooks in the EE developer docs. Viewing any hook's page will show every add-on known to use that hook.
EE 1
EE 2
show_full_control_panel_start
Currently used in 10 add-ons.
EE 1
EE 2
simple_commerce_evaluate_ipn_response
Not currently used.
EE 1
EE 2
simple_commerce_perform_actions_end
Currently used in 3 add-ons.
EE 1
EE 2
simple_commerce_perform_actions_start
Not currently used.
EE 1
EE 2
submit_new_entry_absolute_end
Currently used in more than 10 add-ons.
EE 1
EE 2
submit_new_entry_end
Currently used in more than 10 add-ons.
EE 1
EE 2
submit_new_entry_redirect
Currently used in 3 add-ons.
EE 1
EE 2
submit_new_entry_start
Currently used in more than 10 add-ons.
EE 1
EE 2
template_manager_start
Currently used in 3 add-ons.
EE 1
EE 2
typography_parse_type_end
Currently used in 1 add-on.
EE 1
EE 2
typography_parse_type_start
Currently used in 4 add-ons.
EE 1
EE 2
update_comment_additional
Currently used in 1 add-on.
EE 1
EE 2
update_multi_entries_loop
Currently used in 1 add-on.
EE 1
EE 2
update_multi_entries_start
Not currently used.
EE 1
EE 2
update_template_end
Currently used in 3 add-ons.
EE 1
EE 2
update_trackback_additional
Not currently used.
EE 1
EE 2
view_comments_start
Not currently used.
EE 1
EE 2
view_entry_end
Currently used in 2 add-ons.
EE 1
EE 2
view_entry_start
Not currently used.
EE 1
EE 2
view_referrers_start
Not currently used.
EE 1
EE 2
view_trackbacks_start
Not currently used.
EE 1
EE 2
weblog_entries_query_result
Currently used in 3 add-ons.
EE 1
EE 2
weblog_entries_row
Currently used in 1 add-on.
EE 1
EE 2
weblog_entries_tagdata
Currently used in more than 10 add-ons.
EE 1
EE 2
weblog_entries_tagdata_end
Currently used in 6 add-ons.
