Description:
Records all payments that have been made against an accounts payable detail.

PRIMARY KEY
a_ledger_number_i integer default: 0 NOT NULL	This is used as a key field in most of the accounting system files	a_ledger, a_account
a_payment_number_i integer default: 0 NOT NULL	Unique number to identify each payment batch.

a_amount_n numeric (24, 10)	The amount of money that was paid
a_currency_code_c varchar (16) NOT NULL	the currency of the document
a_exchange_rate_to_base_n numeric (24, 10)	The exchange rate to the base currency at the time of payment.
a_payment_date_d date	Date that the payment for an accounts payable was made.
s_user_id_c varchar (20)	This is the system user id of the person who made the payment.	s_user
a_method_of_payment_c varchar (20)	Method that was used to make the payment - cheque, cash, ep, credit card, etc.
a_reference_c varchar (100)	The source or reference for the accounts payable payment. This could be a cheque number.
a_bank_account_c varchar (16) NOT NULL	Bank account from which to make the payment	a_account
s_date_created_d date default: CURRENT_DATE	The date the record was created.
s_created_by_c varchar (20)	User ID of who created this record.	s_user
s_date_modified_d date	The date the record was modified.
s_modified_by_c varchar (20)	User ID of who last modified this record.	s_user
s_modification_id_t timestamp default: CURRENT_TIMESTAMP	This identifies the current version of the record.
FOREIGN KEY a_ap_payment_fk1: a_ledger_number_i => a_ledger a_ap_payment_fk2: s_user_id_c => s_user a_ap_payment_fk3: a_ledger_number_i;a_bank_account_c => a_account a_ap_payment_fkcr: s_created_by_c => s_user a_ap_payment_fkmd: s_modified_by_c => s_user
REFERENCED BY a_ap_document_payment