results: Array
(
[member_ref] => 5447
[activity_id] =>
[activity_date] => 2020-01-01
[activity_type] => Subscription
[activity_description] => 2020 Subscription
[activity_cost] => 92
[renewal_date] => 2020-01-27
[payment_date] =>
[payment_reference] => new member sent proforma
[invoice_date] =>
[invoice_reference] =>
)