Action Hook list for Event Espresso version 3.1.X.
Please note that whilst we have tried to document all the available hooks, some may not be listed here. Most action hooks are prefixed with action_hook_espresso_
Admin Hooks
action_hook_espresso_add_new_ee_submenu
functions/admin_menu.php
action_hook_espresso_display_gateway_settings
gateways/payment_gateways.php
2checkout/settings.php
Aim/settings.php
Anz/settings.php
atos/settings.php
authnet/settings.php
bank/settings.php
beanstream/settings.php
check/settings.php
eway/settings.php
eway_rapid3/settings.php
exact/settings.php
firstdata/settings.php
firstdata_e4/settings.php
google_checkout/settings.php
ideal/settings.php
infusionsoft_payment/settings.php
invoice/settings.php
luottokunta/settings.php
megasoft/settings.php
moneris_hpp/settings.php
mwarrior/settings.php
nab/settings.php
paychoice/settings.php
paypal/settings.php
paypal_pro/settings.php
paytrace/settings.php
psigate/settings.php
purchase_order/settings.php
qbms/settings.php
quickpay/settings.php
realauth/settings.php
stripe/settings.php
usaepay_offsite/settings.php
usaepay_onsite/settings.php
wepay/settings.php
worldpay/settings.php
action_hook_espresso_staff_cb
admin-files/functions.php
event-management/edit_event.php
action_hook_espresso_generate_price_mod_form_inputs
questions/new_question.php
action_hook_espresso_fem_template_settings
template_settings/index.php
action_hook_espresso_save_attendee_meta
admin-reports/edit_attendee_record.php
functions/main.php
process-registration/add_attendees_to_db.php
action_hook_espresso_attendee_mover_move
admin-reports/edit_attendee_record.php
action_hook_espresso_attendee_mover_events_list
admin-reports/edit_attendee_record.php
action_hook_espresso_attendee_admin_price_dropdown
admin-reports/edit_attendee_record.php
functions/pricing.php
action_hook_espresso_attendee_admin_price_dropdown_member
admin-reports/edit_attendee_record.php
action_hook_espresso_update_attendee_payment_status
admin-reports/enter_attendee_payments.php
action_hook_espresso_before_delete_attendee_event_list
admin-reports/event_list_attendees.php
action_hook_espresso_after_delete_attendee_event_list
admin-reports/event_list_attendees.php
action_hook_espresso_new_event_right_column_top
action_hook_espresso_new_event_right_column_bottom
action_hook_espresso_new_event_left_column_advanced_options_top
includes/event-management/add_new_event.php
action_hook_espresso_edit_event_right_column_top
action_hook_espresso_edit_event_right_column_bottom
action_hook_espresso_edit_event_left_column_advanced_options_top
includes/event-management/edit_event.php
Event Creation Hooks
action_hook_espresso_update_event_success
includes/event-management/update_event.php
action_hook_espresso_insert_event_success
includes/event-management/insert_event.php
Core Hooks
action_hook_espresso_empty_event_trash
includes/functions/admin.php
action_hook_espresso_delete_event
includes/functions/admin.php
action_hook_espresso_delete_event_success
includes/functions/admin.php
action_hook_espresso_empty_event_trash_success
includes/functions/admin.php
action_hook_espresso_registration_page_top
templates/registration_page_display.php
action_hook_espresso_registration_form_top
templates/registration_page_display.php
action_hook_espresso_registration_form_bottom
templates/registration_page_display.php
action_hook_espresso_registration_page_bottom
templates/registration_page_display.php
action_hook_espresso_update_event_meta
includes/functions/main.php
Event Display Hooks
action_hook_espresso_social_display_buttons
templates/registration_page_display.php
Gateway Hooks
action_hook_espresso_display_onsite_payment_header
gateways/gateway_display.php
aim/init.php
beanstream/init.php
eway_rapid3/init.php
firstdata/init.php
ideal/init.php
infusionsoft_payment/init.php
megasoft/init.php
nab/init.php
paychoice/init.php
paypal_pro/init.php
paytrace/init.php
qbms/init.php
stripe/init.php
usaepay_onsite/init.php
action_hook_espresso_display_onsite_payment_gateway
gateways/gateway_display.php
aim/aim_vars.php
beanstream/payment.php
eway_rapid3/eway_rapid3_vars.php
firstdata/firstdata_vars.php
ideal/init.php
infusionsoft_payment/ infusionsoft_vars.php
megasoft/payment.php
nab/nab_vars.php
paychoice/ paychoice_vars.php
paypal_pro/ paypal_pro_vars.php
paytrace/ paytrace_vars.php
qbms/ qbms_vars.php
stripe/ stripe_vars.php
usaepay_onsite/ usaepay_onsite_vars.php
action_hook_espresso_display_onsite_payment_footer
gateways/gateway_display.php
aim/init.php
beanstream/init.php
eway_rapid3/init.php
firstdata/init.php
ideal/init.php
infusionsoft_payment/init.php
megasoft/init.php
nab/init.php
paychoice/init.php
paypal_pro/init.php
paytrace/init.php
qbms/init.php
stripe/init.php
usaepay_onsite/init.php
action_hook_espresso_display_offsite_payment_header
gateways/gateway_display.php
2checkout/init.php
anz/init.php
atos/init.php
authnet/init.php
eway/init.php
exact/init.php
firstdata_e4/init.php
google_checkout/init.php
luottokunta/init.php
moneris_hpp/init.php
mwarrior/init.php
paypal/init.php
psigate/init.php
quickpay/init.php
realauth/init.php
usaepay_offsite/init.php
wepay/init.php
worldpay/init.php
action_hook_espresso_display_offsite_payment_gateway
gateways/gateway_display.php
2checkout/init.php
anz/init.php
atos/init.php
authnet/init.php
eway/init.php
exact/init.php
firstdata_e4/init.php
google_checkout/init.php
luottokunta/init.php
moneris/init.php
mwarrior/init.php
paypal/init.php
psigate/init.php
quickpay/init.php
realauth/init.php
usaepay_offsite/init.php
wepay/init.php
worldpay/init.php
action_hook_espresso_display_offsite_payment_footer
gateways/gateway_display.php
2checkout/init.php
anz/init.php
atos/init.php
authnet/init.php
eway/init.php
exact/init.php
firstdata_e4/init.php
google_checkout/init.php
luottokunta/init.php
moneris_hpp/init.php
mwarrior/init.php
paypal/init.php
psigate/init.php
quickpay/init.php
realauth/init.php
usaepay_offsite/init.php
wepay/init.php
worldpay/init.php
action_hook_espresso_display_offline_payment_header
gateways/gateway_display.php
bank/init.php
check/init.php
invoice/init.php
purchase_order/init.php
action_hook_espresso_display_offline_payment_gateway
gateways/gateway_display.php
bank/bank_payment_vars.php
check/check_payment_vars.php
invoice/invoice_vars.php
purchase_order/po_payment_vars.php
action_hook_espresso_display_finalize_payment_header
gateways/gateway_display.php
action_hook_espresso_display_offline_payment_gateway
gateways/gateway_display.php
bank/bank_payment_vars.php
check/check_payment_vars.php
invoice/invoice_vars.php
purchase_order/po_payment_vars.php
action_hook_espresso_display_offline_payment_footer
gateways/gateway_display.php
bank/init.php
check/init.php
invoice/init.php
purchase_order/init.php
Process Payments Hooks
action_hook_espresso_track_successful_sale
gateways/process_payments.php
action_hook_espresso_transaction
gateways/process_payments.php
action_hook_espresso_email_after_payment
Please note: depending on your version, these hooks may now just be a single hook in the gateways/process_payments.php and process-registration\payment_page.php files, rather than spread out amongst all the gateway files.
gateways/process_payments.php
2checkout/2checkoutpaymentprocess.php
aim/aim_ipn.php
atos/return.php
authnet/authnet_ipn.php
beanstream/return.php
eway/ewaypaymentprocess.php
eway_rapid3/DoDirectPayment.php
exact/exact_ipn.php
firstdata/Firstdata.php
firstdata_e4/e4_ipn.php
google_checkout/google_checkout_ipn.php
ideal/report.php
megasoft/return.php
moneris_hpp/moneris_hpp_ipn.php
mwarrior/mwarrior_ipn.php
nab/nabpaymentprocess.php
paychoice/do_transaction.php
paypal/paypal_ipn.php
paypal_pro/DoDirectPayment.php
paytrace/do_transaction.php
psigate/psigate_ipn.php
realauth/realauthprocesspayment.php
stripe/do_transaction.php
usaepay_onsite/DoDirectPayment.php
wepay/wepay_ipn.php
worldpay/worldpay_ipn.php
process-registration/payment_page.php
action_hook_espresso_pre_confirmation_page – version 3.1.37 onwards
includes/process-registration/payment_page.php
Registration Process Hooks
action_hook_espresso_add_to_multi_reg_cart_block
templates/shopping_cart.php
action_hook_espresso_shopping_cart_before_total
templates/shopping_cart.php
action_hook_espresso_shopping_cart_after_total
templates/shopping_cart.php
action_hook_espresso_save_attendee_data
process-registration/add_attendees_to_db.php
action_hook_espresso_save_attendee_meta
admin-reports/edit_attendee_record.php
process-registration/add_attendees_to_db.php
action_hook_espresso_get_attendee_meta_value
admin-reports/edit_attendee_record.php
functions/main.php
action_hook_espresso_zero_vlm_dscnt_in_session
event-espresso/espresso.php
functions/cart.php
action_hook_espresso_payment_overview_page_top
event-espresso/templates/payment_overview.php
action_hook_espresso_payment_overview_page_bottom
event-espresso/templates/payment_overview.php
action_hook_espresso_payment_page_top
event-espresso/templates/payment_page.php
action_hook_espresso_payment_page_bottom
event-espresso/templates/payment_page.php
action_hook_espresso_payment_page_free_event 3.1.37 onwards
event-espresso/templates/payment_page.php
action_hook_espresso_update_registration_details_by_attendee