{
  "$id": "https://example.com/ondc/trv10/2.0.0",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$defs": {
    "select": {
      "$id": "select#",
      "type": "object",
      "properties": {
        "context": {
          "type": "object",
          "properties": {
            "domain": {
              "type": "string"
            },
            "location": {
              "type": "object",
              "properties": {
                "city": {
                  "type": "object",
                  "properties": {
                    "code": {
                      "type": "string"
                    }
                  },
                  "required": ["code"]
                },
                "country": {
                  "type": "object",
                  "properties": {
                    "code": {
                      "type": "string",
                      "enum": ["IND"]
                    }
                  },
                  "required": ["code"]
                }
              }
            }
          },
          "required": ["domain", "location", "action", "bap_id", "bap_uri", "transaction_id", "message_id", "timestamp", "ttl"]
        },
        "message": {
          "type": "object",
          "properties": {
            "intent": {
              "type": "object",
              "properties": {
                "fulfillment": {
                  "type": "object",
                  "properties": {
                    "stops": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "location": {
                            "type": "object",
                            "properties": {
                              "gps": {
                                "type": "string"
                              }
                            },
                            "required": ["gps"]
                          },
                          "type": {
                            "type": "string",
                            "enum": ["START", "END"]
                          }
                        },
                        "required": ["location", "type"]
                      },
                      "minItems": 2,
                      "maxItems": 2
                    }
                  },
                  "required": ["stops"]
                },
                "payment": {
                  "type": "object",
                  "properties": {
                    "collected_by": {
                      "type": "string",
                      "enum": ["BPP", "BAP"]
                    },
                    "tags": {
                      "type": "array",
                      "minItems": 2,
                      "maxItems": 2,
                      "uniqueItems": true,
                      "items": {
                        "type": "object",
                        "properties": {
                          "descriptor": {
                            "type": "object",
                            "properties": {
                              "code": {
                                "type": "string",
                                "enum": ["SETTLEMENT_TERMS", "BUYER_FINDER_FEES"]
                              }
                            },
                            "required": ["code"]
                          }
                        },
                        "allOf": [
                          {
                            "if": {
                              "properties": {
                                "descriptor": {
                                  "properties": {
                                    "code": {
                                      "const": "SETTLEMENT_TERMS"
                                    }
                                  },
                                  "required": ["code"]
                                }
                              }
                            },
                            "then": {
                              "properties": {
                                "list": {
                                  "type": "array",
                                  "items": {
                                    "type": "object",
                                    "properties": {
                                      "descriptor": {
                                        "type": "object",
                                        "properties": {
                                          "code": {
                                            "type": "string",
                                            "enum": ["SETTLEMENT_BASIS", "SETTLEMENT_WINDOW", "STATIC_TERMS", "SETTLEMENT_TYPE", "DELAY_INTEREST"]
                                          }
                                        },
                                        "required": ["code"]
                                      },
                                      "value": {
                                        "type": "string"
                                      }
                                    },
                                    "required": ["descriptor", "value"]
                                  }
                                }
                              }
                            }
                          },
                          {
                            "if": {
                              "properties": {
                                "descriptor": {
                                  "properties": {
                                    "code": {
                                      "const": "BUYER_FINDER_FEES"
                                    }
                                  },
                                  "required": ["code"]
                                }
                              }
                            },
                            "then": {
                              "properties": {
                                "list": {
                                  "type": "array",
                                  "items": {
                                    "type": "object",
                                    "properties": {
                                      "descriptor": {
                                        "type": "object",
                                        "properties": {
                                          "code": {
                                            "enum": ["BUYER_FINDER_FEES_PERCENTAGE"]
                                          }
                                        },
                                        "required": ["code"]
                                      },
                                      "value": {
                                        "type": "string",
                                        "pattern": "^-?\\d+(\\.\\d+)?$"
                                      }
                                    },
                                    "required": ["descriptor", "value"]
                                  }
                                }
                              }
                            }
                          }
                        ],
                        "required": ["descriptor"]
                      }
                    }
                  },
                  "required": ["collected_by", "tags"]
                }
              },
              "required": ["fulfillment", "payment"]
            }
          },
          "required": ["intent"]
        }
      }
    }
  }
}