Update README.md

README.md

@@ -1,2 +1,27 @@
-# Gift Card GraphQl
+# Gift Card GraphQL
 
+## How to install
+
+Run the following command in Magento 2 root folder:
+
+```
+composer require mageplaza/module-gift-card-graphql
+php bin/magento setup:upgrade
+php bin/magento setup:static-content:deploy
+```
+
+## How to use
+
+To start working with Gift Card GraphQL in Magento, you need the following:
+
+- Use Magento 2.3.x. Return your site to developer mode
+- Install [chrome extension](https://chrome.google.com/webstore/detail/chromeiql/fkkiamalmpiidkljmicmjfbieiclmeij?hl=en) (currently does not support other browsers)
+- Set **GraphQL endpoint** as `http://<magento2-3-server>/graphql` in url box, click **Set endpoint**. (e.g. http://develop.mageplaza.com/graphql/ce232/graphql)
+- Mageplaza-supported queries are fully written in the **Description** section of `Query.Blogs`
+
+![](https://i.imgur.com/rjCYdtu.png)
+
+- In addition, the label information is also displayed when using GraphQL to retrieve the information of the Product according to Magento. Supported queries are fully written at `Product.ProductInterface.mp_label_data.LabelRules`
+
+
+![](https://i.imgur.com/EfVzRxD.png)