Jev glossary
PrimitivesField type
Entry type
The value shapes accepted throughout a request (string, object, array, or null) for state, instructions, and criteria fields.
- Category
- Primitives
- Also known as
- Field type
- Reading time
- 1 min
- Related terms
- 5
- Directory entries
- 2
- Docs
- docs.typesafe.ai
- Added
- 2026-09-24
Definition
Every field in a question is an entry type: a string, an object, an array, or null. State, instructions, option descriptions, score levels, and Noul criteria all accept the structured forms, which is what makes JSON taxonomies, schemas, and example sets passable without prompt string-building.
The flexibility is a design tool, not a requirement. The docs recommend strings for short unambiguous questions and structure where data or contrast needs its own field.
Tagsprimitivesapi
Related terms
Definitions that connect to this one.
StateThe content a request asks Jev to evaluate: a string, a named object, or an array of messages, shared by every question in the request.Core ConceptsInstructionsThe field that states what a question should judge; accepts a string, an object, or an array for extra structure.PrimitivesCriteriaThe possible answers for a question: a map of options for Choice, an ordered list of levels for Score, or true/false for Noul.PrimitivesStructured instructionsPutting the question in one field and its supporting data, examples, or focus notes in others instead of one long string.PrimitivesNull criteriaPassing null as a Choice option description when the option name needs no extra explanation.Primitives
From the Jev directory
Directory entries that go deeper on this term.
Instructions, option descriptions, score levels, and noul criteria all accept JSON, so you can label question parts, pass schemas and taxonomies, and keep candidate paths alive.
Jev Practices & PatternsDocs#official#primitives#architecture
Official
The raw HTTP contract behind every SDK: POST a state plus typed noul, choice, and score questions to /v1/systemone, and get one answer per question, with error codes and retry guidance.
Jev Guides & ArticlesDocs#official#docs#api
Official
From the Jev AI model community
Posts from builders shipping with Jev right now.