1{
2 "$schema": "http://json-schema.org/draft-07/schema#",
3 "properties": {
4 "myArray": {
5 "type": "array",
6 "minContains": 2,
7 "contains": {"properties": {"itemType": {"const": "type A"}}
8 },
9 "items": {"properties": {"itemType": {"type": "string"}}}
10 }
11 }
12}