WordPress at a glance
function is not described

woocommerce_account_payment_methods() WC 1.0

My Account > Downloads template.

No Hooks.

Return

null. Nothing.

Usage

woocommerce_account_payment_methods();

Code of woocommerce_account_payment_methods() WC 5.3.0

<?php
function woocommerce_account_payment_methods() {
	wc_get_template( 'myaccount/payment-methods.php' );
}