This is an example of how to use Shopify Flow to record the purchased product (variant) in the customer meta field when shipping is completed in Shopify. The purchase quantity is not captured, only whether the product (variant) was purchased.
Example of setting up Shopify Flow to record purchased products (variants) in customer meta fields
[Setting Method 1] Create a customer metafield
[Setup Method 2] Set up the necessary settings for Shopify Flow
[Additional information for setup method 2] You need to create an alias to reference existing customer metafields.
