{
	"$schema": "https://json-schema.org/draft/2020-12/schema",
	"$id": "https://schema.twindev.org/dataspace-protocol/DataspaceProtocolTransferRequestMessage",
	"title": "DataspaceProtocolTransferRequestMessage",
	"description": "Interface for the Dataspace Protocol transfer request message.",
	"type": "object",
	"properties": {
		"@context": {
			"$ref": "https://schema.twindev.org/dataspace-protocol/DataspaceProtocolContextType",
			"description": "The JSON-LD context."
		},
		"@type": {
			"const": "TransferRequestMessage",
			"description": "The JSON-LD type."
		},
		"agreementId": {
			"type": "string",
			"description": "MUST refer to an existing Agreement between the Consumer and Provider."
		},
		"callbackAddress": {
			"type": "string",
			"description": "MUST be a URI indicating where messages to the Consumer SHOULD be sent."
		},
		"consumerPid": {
			"type": "string",
			"description": "MUST refer to the transfer identifier of the Consumer side."
		},
		"format": {
			"type": "string",
			"description": "The format property is a format specified by a Distribution for the Dataset associated with the Agreement.\nThis is generally obtained from the Provider's Catalog."
		},
		"dataAddress": {
			"$ref": "https://schema.twindev.org/dataspace-protocol/DataspaceProtocolDataAddress",
			"description": "If defined MUST contain a transport-specific set of properties for pushing the data.\nIt MAY include an endpoint, a temporary authorization via the endpointProperties property - depending on the endpointType."
		}
	},
	"required": ["@context", "@type", "agreementId", "callbackAddress", "consumerPid", "format"]
}