How to override a checkout block?

Ask your questions
,
1

How to override the checkout block?

2

which block?

3

\Magento\Checkout\Block\Checkout\LayoutProcessor

4

you can override by di.xml

app/etc/di.xml

5 
<preference for="Magento\Checkout\Block\Checkout\LayoutProcessor" type="Test\ModuelName\Block\Checkout\LayoutProcessor" />
1 Like
6

HAi

how did u overwrite block LayoutProcessor.php?

7

Can u please guide me?

8

Hai sunil,

I have done it.But it showing irrelavant issue.

Invalid block type: Magento\Checkout\Block\Onepage

9

Can you please write your code?

10

you need to write own namespace for same.

11

yes …i did.but not working

12

are you trying override private function?

13

no

14

Hi Sunil.

I want to override this Block
vendor/magento/module-checkout/Block/Cart/LayoutProcessor.php

I want to turn City Field into dropdown.
Can I override in my custom module duplicating the LayoutProcessor.php file or I use di.xml as you suggested.

Thanks and Regards

15

Thanks for this amazing tutorial.

16

How did you override the below function

private function getBillingAddressComponent($paymentCode, $elements)

using preference

17

I am trying to override private function in LayoutProcessor.php, How do I achieve ?? Any ideas?

18

I have tried using plugin too. but still not working.

I want to override convertElementsToSelect from layoutProcessor block of core checkout module.

Please suggest me how to achieve this?