{
    "fields": {
        "message": {
            "type": "text"
        },
        "parent": {
            "type": "linkParent"
        },
        "attachments": {
            "type": "linkMultiple"
        },
        "createdAt": {
            "type": "datetime",
            "readOnly": true
        },
        "modifiedAt": {
            "type": "datetime",
            "readOnly": true
        },
        "createdBy": {
            "type": "link",
            "readOnly": true
        },
        "modifiedBy": {
            "type": "link",
            "readOnly": true
        }
    },
    "links": {
        "createdBy": {
            "type": "belongsTo",
            "entity": "User"
        },
        "modifiedBy": {
            "type": "belongsTo",
            "entity": "User"
        },
        "attachments": {
            "type": "hasChildren",
            "entity": "Attachment",
            "foreign": "parent"
        },
        "parent": {
            "type": "belongsToParent",
            "foreign": "attachments"
        }
    },
    "collection": {
    	"sortBy": "createdAt",
    	"asc": false
    }
}