GraphQL Magento 2

How to get custom module data into GraphQL Magento 2

Magento provides some default queries to retrieve many data. Sometimes you need to get custom data from a custom module. That time you need to need a custom graphql query to get custom data. Today we will learn how to custom module data from GraphQl in Magento 2. First create a basic module with a custom table and also create models for it. so after complete basic module you need to follow below steps:

unable to serialize value

Magento 2.3.XX unable to serialize value and Failed to load the components errors on checkout

CRITICAL Error: Unable to serialize value When I upgraded the Magento on the checkout page and that was “report.CRITICAL: Unable to serialize value. Error: Malformed UTF-8 characters, possible incorrectly encoded.” Please follow below step: 1)  Create registration.php file at Path :- app/code/Dolphin/Serializer

2) Create module.xml file at  Path :- app/code/Dolphin/Serializer/etc

3) Create di.xml…