results: Array
(
[member_ref] =>
[contact_id] => 40959
[activity_id] =>
[activity_date] => 2022-04-26
[activity_type] => Conference registration
[activity_description] => 16th EASE Conference – online registration
[activity_cost] => 105
[renewal_date] => 2022-04-25
[payment_date] => 2022-04-25
[payment_reference] => WP26466984892
[invoice_date] =>
[invoice_reference] =>
)