{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "https://raw.githubusercontent.com/valueflows/valueflows/master/json-schemas/Proposal.json",
    "title": "Proposal",
    "description": "Published requests or offers, sometimes with what is expected in return.",
    "type": "object",
    "properties": {
        "name": {
            "description": "An informal or formal textual identifier for the proposal. Does not imply uniqueness.",
            "type": "string"
        },
        "purpose": {
            "description": "The type of proposal, offer or request.",
            "type": "string",
            "enum": ["offer", "request"]
        },
        "hasBeginning": {
            "description": "The beginning date/time of proposal publication.",
            "type": "string",
            "format": "date-time"
        },
        "hasEnd": {
            "description": "The end date/time of proposal publication.",
            "type": "string",
            "format": "date-time"
        },
        "eligibleLocation": {
            "description": "Location or area where the proposal is valid.",
            "$ref": "https://raw.githubusercontent.com/valueflows/valueflows/master/json-schemas/SpatialThing.json"
        },
        "created": {
            "description": "The date and time the proposal was created.",
            "type": "string",
            "format": "date-time"
        },
        "unitBased": {
            "description": "This proposal contains unit based quantities, which can be multipied to create commitments; commonly seen in a price list or e-commerce.",
            "type": "boolean"
        },
        "note": {
            "description": "A textual comment or description.",
            "type": "string"
        },
        "publishes": {
            "description": "The primary intent(s) of this published proposal. Would be used in intent matching.",
            "type": "array",
            "items": { "$ref": "https://raw.githubusercontent.com/valueflows/valueflows/master/json-schemas/Intent.json" }
        },
        "reciprocal": {
            "description": "The reciprocal intent(s) of this published proposal. Not meant to be used for intent matching.",
            "type": "array",
            "items": { "$ref": "https://raw.githubusercontent.com/valueflows/valueflows/master/json-schemas/Intent.json" }
        }
    }
}