{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://concert.foundation/signet/v0.1/sourcing-event.schema.json",
  "title": "SourcingEvent",
  "description": "A request to the market: RFP, RFQ, ITT, tender, or call-off competition (OCDS tender stage).",
  "type": "object",
  "required": [
    "id",
    "title",
    "procuringParty",
    "procedure",
    "status"
  ],
  "additionalProperties": false,
  "properties": {
    "@context": {
      "type": [
        "string",
        "object",
        "array"
      ]
    },
    "type": {
      "const": "SourcingEvent"
    },
    "id": {
      "$ref": "definitions.schema.json#/definitions/Identifier"
    },
    "title": {
      "type": "string"
    },
    "procuringParty": {
      "$ref": "definitions.schema.json#/definitions/Identifier"
    },
    "procedure": {
      "type": "string",
      "description": "See codelists/procedure.csv."
    },
    "status": {
      "type": "string",
      "enum": [
        "planned",
        "active",
        "evaluating",
        "complete",
        "cancelled",
        "withdrawn"
      ]
    },
    "lots": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "id",
          "title"
        ],
        "additionalProperties": false,
        "properties": {
          "id": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "items": {
            "type": "array",
            "items": {
              "$ref": "definitions.schema.json#/definitions/Item"
            }
          },
          "value": {
            "$ref": "definitions.schema.json#/definitions/Value"
          }
        }
      }
    },
    "items": {
      "type": "array",
      "items": {
        "$ref": "definitions.schema.json#/definitions/Item"
      }
    },
    "value": {
      "$ref": "definitions.schema.json#/definitions/Value"
    },
    "eligibilityCriteria": {
      "type": "array",
      "items": {
        "$ref": "definitions.schema.json#/definitions/Identifier"
      },
      "description": "References to Policy objects."
    },
    "evaluationCriteria": {
      "type": "array",
      "items": {
        "$ref": "definitions.schema.json#/definitions/Identifier"
      },
      "description": "References to Policy objects."
    },
    "period": {
      "$ref": "definitions.schema.json#/definitions/Period"
    },
    "documents": {
      "type": "array",
      "items": {
        "$ref": "definitions.schema.json#/definitions/Document"
      }
    }
  }
}