In etc/adminhtml/system.xml I add an additioal field which is
<field id="gateway_ID" translate="label" type="text" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Gateway ID</label>
</field>
But then I can't call this field in my
js/view/payment/method-renderer/gateway_renderer.js
How can i call this field sa that i can send it to the third party url in.
afterPlaceOrder: function () {}
and also i need to get payment information like subtotal of the current checkout.
configProviders
for your custom payment? Please, post this part?