Ordered list of configurable blocks rendered on this product's purchase page (contract, signature, acknowledgement, recurring-summary, etc.). Empty for products that use the default purchase layout. config on each block is a JSON-encoded string.

First value of the named metadata key, or null. Accepts the $. alias.

All values stored for the named metadata key, in order.

All metadata stored on this product, one entry per key.

Sync state for the corresponding Stripe Product / Price on the platform account. Always present; inner fields are null until first sync succeeds.