WordPress at a glance
function is not described

Automattic\WooCommerce\Blocks\Payments

PaymentMethodTypeInterface::get_payment_method_data() public WC 1.0

An array of key, value pairs of data made available to payment methods client side.

{} It's a method of the class: PaymentMethodTypeInterface{}

No Hooks.

Return

Array. Nothing.

Usage

$PaymentMethodTypeInterface = new PaymentMethodTypeInterface();
$PaymentMethodTypeInterface->get_payment_method_data();

Code of PaymentMethodTypeInterface::get_payment_method_data() WC 5.2.2

<?php
public function get_payment_method_data();