{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://www.espocrm.com/schema/metadata/fields.json",
    "title": "fields",
    "description": "Field definitions.",
    "type": "object",
    "properties": {
        "notMergeable": {
            "type": "boolean",
            "description": "Whether this field type is mergeable (when merging duplicate records)."
        },
        "notCreatable": {
            "type": "boolean",
            "description": "Whether the field of this type can be created in the Entity Manager tool."
        },
        "readOnly": {
            "type": "boolean",
            "description": "Is this field type Read Only (can't be edited)."
        },
        "skipOrmDefs": {
            "type": "boolean",
            "description": "Skip converting to defs for the ORM."
        },
        "filter": {
            "type": "boolean",
            "description": "Records can be filtered by this field (available as filter on the list view)."
        },
        "view": {
            "type": "string",
            "description": "A frontend view."
        },
        "params": {
            "type": "array",
            "description": "Field parameters.",
            "items": {
                "anyOf": [
                    {"const": "__APPEND__"},
                    {
                        "allOf": [
                            {
                                "$ref": "./entityDefs.json#/definitions/fieldDefs"
                            },
                            {
                                "properties": {
                                    "hidden": {
                                        "type": "boolean",
                                        "description": "Do not display the parameter in the field manager."
                                    },
                                    "name": {
                                        "type": "string",
                                        "description": "A name."
                                    }
                                }
                            }
                        ]
                    }
                ]
            }
        },
        "fieldDefs": {
            "description": "An object of field type definition",
            "$ref": "./entityDefs.json#/definitions/fieldDefs"
        },
        "translatedOptions": {
            "type": "boolean",
            "description": "Does the field have options that can be translated."
        },
        "hookClassName": {
            "type": "string",
            "description": "A hook class. Called after the field is created or edited in the Entity Manager tool."
        },
        "fields": {
            "type": "object",
            "description": "Definitions of additional fields that will be created with this field. E.g. for address field, separate fields (street, city, etc.) are created.",
            "additionalProperties": {
                "$ref": "./entityDefs.json#/definitions/fieldDefs"
            }
        },
        "naming": {
            "enum": ["suffix", "prefix"],
            "description": "The naming determines how additional fields will be named."
        },
        "actualFields": {
            "type": "array",
            "items": {
                "type": "string"
            },
            "description": "The list of actual attributes (which contain useful data). For example, for field type link in actualFields is ['id'], in notActualFields is ['name']. Means, if you load record with link field, you have values in {fieldName}Id and {fieldName}Name (suffix naming). But you need set only {fieldName}Id, if you want to update this field."
        },
        "notActualFields": {
            "type": "array",
            "items": {
                "type": "string"
            },
            "description": "The list of not actual attributes."
        },
        "personalData": {
            "type": "boolean",
            "description": "Where the field may contain personal data."
        },
        "textFilter": {
            "type": "boolean",
            "description": "The field will be available in the list of text filters (in the Entity Manager tool)."
        },
        "textFilterForeign": {
            "type": "boolean",
            "description": "The field will be available in the list of text filters as a foreign field."
        },
        "linkDefs": {
            "$ref": "./entityDefs.json#/definitions/linkDefs",
            "description": "If defined, a link with the same name as the field name will be created."
        },
        "fullTextSearch": {
            "type": "boolean",
            "description": "Full-text search will be available for the field."
        },
        "fullTextSearchColumnList": {
            "type": "array",
            "items": {
                "type": "string"
            },
            "description": "Columns used in full-text search."
        },
        "valueFactoryClassName": {
            "type": "string",
            "description": "A factory that creates value-objects for this field. A value-object can be obtained by calling getValueObject method on an Entity. Should implement Espo\\ORM\\Value\\ValueFactory."
        },
        "attributeExtractorClassName": {
            "type": "string",
            "description": "A class that extracts values (attribute => value map) from a value-object. Used internally for obtaining values from a value-object and writing them to an entity. Should implement Espo\\ORM\\Value\\AttributeExtractor."
        },
        "validationList": {
            "type": "array",
            "items": {
                "anyOf": [
                    {"type": "string"},
                    {"const": "__APPEND__"}
                ]
            },
            "description": "Validations applied server-side."
        },
        "mandatoryValidationList": {
            "type": "array",
            "items": {
                "anyOf": [
                    {"type": "string"},
                    {"const": "__APPEND__"}
                ]
            },
            "description": "Validations applied server-side."
        },
        "validatorClassNameMap": {
            "type": "object",
            "description": "Validators. Should implement Espo\\Core\\FieldValidation\\Validator.",
            "additionalProperties": {
                "type": "string",
                "description": "A validation name."
            }
        },
        "duplicatorClassName": {
            "type": "string",
            "description": "Duplicates attributes of a field. Some fields can require some processing when an entity is being duplicated. Should implement Espo\\Core\\Record\\Duplicator\\FieldDuplicator."
        },
        "converterClassName": {
            "type": "string",
            "description": "A metadata converter. Converts field metadata to ORM metadata. Should implement Espo\\Core\\Utils\\Database\\Orm\\FieldConverter."
        }
    }
}