json.fromJsonMap

flex.json.fromJsonMap(jsonString)

WITH '{"name":"Alice","age":30,"active":true}' AS json
RETURN flex.json.fromJsonMap(json) AS user

user
-------------------------------
{name: 'Alice', age: 30, active: true}

MATCH (n:Node)
WHERE n.jsonData IS NOT NULL
WITH n, flex.json.fromJsonMap(n.jsonData) AS parsed
RETURN n.id, parsed.field1, parsed.field2

WITH '{"id":123,"email":"user@example.com","role":"admin"}' AS apiResponse
WITH flex.json.fromJsonMap(apiResponse) AS data
CREATE (u:User {id: data.id, email: data.email, role: data.role})

WITH '{invalid json}' AS badJson
RETURN flex.json.fromJsonMap(badJson) AS result

result
------
{}