Action: wu_transition_payment_customer_id

Fires when the customer id of a payment transitions from one value to another.

This hook is fired by BerlinDB when a database UPDATE changes the customer_id column for a payment row.

Parameters

Name	Type	Description
$old_value	`int`	The previous customer id value.
$new_value	`int`	The new customer id value.
$item_id	`int`	The payment ID.