{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://opensea.io/schemas/Parameters", "title": "Parameters", "type": "object", "properties": { "offerer": { "type": "string" }, "offer": { "type": "array", "items": { "$ref": "#/components/schemas/Item" } }, "consideration": { "type": "array", "items": { "$ref": "#/components/schemas/ConsiderationItem" } }, "startTime": { "type": "string" }, "endTime": { "type": "string" }, "orderType": { "type": "integer", "format": "int32" }, "zone": { "type": "string" }, "zoneHash": { "type": "string" }, "salt": { "type": "string" }, "conduitKey": { "type": "string" }, "totalOriginalConsiderationItems": { "type": "integer", "format": "int32" }, "counter": { "type": "integer" } }, "required": [ "conduitKey", "consideration", "counter", "endTime", "offer", "offerer", "orderType", "salt", "startTime", "totalOriginalConsiderationItems", "zone", "zoneHash" ] }