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
admin_home_page_start
Currently used in 1 add-on.
EE 1
EE 2
blacklist_update_blacklist_end
Not currently used.
EE 1
EE 2
blacklist_update_blacklist_start
Not currently used.
EE 1
EE 2
blacklist_update_whitelist_end
Not currently used.
EE 1
EE 2
blacklist_update_whitelist_start
Not currently used.
EE 1
EE 2
blacklist_write_htaccess_data
Not currently used.
EE 1
EE 2
channel_entries_query_result
Currently used in 5 add-ons.
EE 1
EE 2
channel_entries_row
Currently used in 3 add-ons.
EE 1
EE 2
channel_entries_tagdata
Currently used in 6 add-ons.
EE 1
EE 2
channel_entries_tagdata_end
Currently used in 6 add-ons.
EE 1
EE 2
channel_module_calendar_start
Not currently used.
EE 1
EE 2
channel_module_categories_start
Not currently used.
EE 1
EE 2
channel_module_category_heading_start
Not currently used.
EE 1
EE 2
channel_module_create_pagination
Currently used in 3 add-ons.
EE 1
EE 2
channel_module_fetch_pagination_data
Currently used in 1 add-on.
EE 1
EE 2
comment_entries_comment_format
Currently used in 1 add-on.
EE 1
EE 2
comment_entries_tagdata
Currently used in 2 add-ons.
EE 1
EE 2
comment_form_action
Not currently used.
EE 1
EE 2
comment_form_end
Currently used in 3 add-ons.
EE 1
EE 2
comment_form_hidden_fields
Currently used in 4 add-ons.
EE 1
EE 2
comment_form_tagdata
Not currently used.
EE 1
EE 2
comment_preview_comment_format
Currently used in 1 add-on.
EE 1
EE 2
comment_preview_tagdata
Not currently used.
EE 1
EE 2
control_panel_home_page
Currently used in 9 add-ons.
EE 1
EE 2
control_panel_home_page_left_option
Currently used in 4 add-ons.
