JSON

JSON organizes data using objects, arrays, strings, numbers, booleans, and null. It is common in portable catalogs because many tools can read and write it. A syntactically valid file, however, can still violate an application's expectations or contain inaccurate information. When editing a content pack, preserve the documented field names and data types. Avoid duplicate property names within an object because software behavior can differ. Keep identifiers as the type required by the schema, especially when they contain leading zeros or letters. Validate a small sample before importing a large file and retain the original input. Do not treat imported text as trusted executable code. JSON supplies a representation; the schema, validation rules, provenance, and human review determine whether the represented records are usable.

Editorial review: 2026-09-23. New evidence may change this account.

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