metafields-metaobjectslisted

# Shopify Metafields and Metaobjects Guide ## Metafields vs Metaobjects: When to Use Each ### Metafields **Purpose:** Store custom key-value data on existing resources (products, orders, customers, etc.) **Use Metafields When:** - Adding custom attributes to existing resources - Simple key-value relationships - Data is tightly coupled to the resource - Needed in themes (Liquid access) - Examples: size chart URL, custom color, warranty period, gift message **Characteristics:** - Attached to existing resource types - Simple string or typed values - Queryable via GraphQL - Accessible in Liquid templates - Max 2,500 metafields per resource - Namespace + key = unique identifier - Supports display in admin UI via definitions ### Metaobjects **Purpose:** Define custom data types/records independent of resources **Use Metaobjects When:** - Creating independent data structures - Multi-field records needed - Reusable data types across shop - Complex relationships - Data referenced by multiple resources - Examples: FAQs, reviews, testimonials, size guides, lookbooks, staff profiles **Characteristics:** - Independent data type (like custom table) - Multiple fields with defined types - Queryable via GraphQL - Can be referenced by products/collections via metafield - Organized in admin UI - Supports indexing and search - Better for data that stands alone **Comparison Table:** | Feature | Metafield | Metaobject | |---------|-----------|-----------| | Attached to resources | Yes |