pmpro_membership_level_before_billing_information

Insert form fields or other content before the “Billing Information” section of the Edit Membership Level page in the WordPress admin.

do_action( 'pmpro_membership_level_before_billing_information', $level );

Parameters

$levels

object; The Membership Level object.

Source

File: https://github.com/strangerstudios/paid-memberships-pro/blob/master/adminpages/membershiplevels.php