{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "$anchor": "cdm.event.common",
  "type": "object",
  "title": "PartyChangeInstruction",
  "description": "Specifies instruction to change the party on a trade. This primitive instruction is used in a number of scenarios including: clearing, allocation and novation. The instrution must include a trade identifier, because a change of party effectively results in a different trade.",
  "properties": {
    "counterparty": {
      "description": "The new counterparty who is stepping into the trade. The stepping out counterparty is inferred based on the counterparty role that is being updated.",
      "$ref": "cdm-base-staticdata-party-Counterparty.schema.json"
    },
    "ancillaryParty": {
      "description": "Specifies an ancillary party to be added onto the new transaction, e.g. the original executing party in an allocation.",
      "$ref": "cdm-base-staticdata-party-AncillaryParty.schema.json"
    },
    "partyRole": {
      "description": "Specifies an additional party roles to be added on to the new transaction.",
      "$ref": "cdm-base-staticdata-party-PartyRole.schema.json"
    },
    "tradeId": {
      "description": "The identifier to be assigned to the new trade post change of party.",
      "type": "array",
      "items": {
        "$ref": "cdm-event-common-TradeIdentifier.schema.json"
      },
      "minItems": 1
    }
  },
  "required": [
    "counterparty"
  ]
}