{
    "$id": "https://developer.microsoft.com/json-schemas/fabric/item/report/definition/reportExtension/1.0.0/schema.json",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "title": "Report extension",
    "description": "Defines a report extension and its references.",
    "type": "object",
    "properties": {
        "name": {
            "description": "Name of the extension.",
            "default": "extension",
            "type": "string"
        },
        "entities": {
            "description": "Entities in the semantic model that are extended.",
            "type": "array",
            "items": {
                "$ref": "#/definitions/ReportExtensionEntity"
            }
        },
        "$schema": {
            "description": "Defines the schema to use for an item.",
            "type": "string",
            "const": "https://developer.microsoft.com/json-schemas/fabric/item/report/definition/reportExtension/1.0.0/schema.json"
        }
    },
    "additionalProperties": false,
    "required": [
        "$schema",
        "name"
    ],
    "definitions": {
        "ReportExtensionEntity": {
            "type": "object",
            "properties": {
                "name": {
                    "description": "Name of the extension entity - must match a name in the semantic model.",
                    "type": "string"
                },
                "measures": {
                    "description": "Additional measures to include on this entity.",
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/ReportExtensionMeasure"
                    }
                }
            },
            "additionalProperties": false,
            "required": [
                "name"
            ]
        },
        "ReportExtensionMeasure": {
            "type": "object",
            "properties": {
                "name": {
                    "description": "Name of the extension measure - must be unique across the semantic model and other extension measures.",
                    "type": "string"
                },
                "dataType": {
                    "$ref": "#/definitions/PrimitiveTypeName",
                    "description": "Data type for the measure."
                },
                "dataCategory": {
                    "description": "Extended data category for the measure.",
                    "type": "string"
                },
                "expression": {
                    "description": "DAX expression for this measure.",
                    "type": "string"
                },
                "hidden": {
                    "description": "Sets the measure to be hidden.",
                    "type": "boolean"
                },
                "formatString": {
                    "description": "Format string for this measure in VBA format.",
                    "type": "string"
                },
                "measureTemplate": {
                    "description": "Template information that was used to create this measure.",
                    "$ref": "#/definitions/ReportExtensionMeasureTemplate"
                },
                "description": {
                    "description": "A description for the measure.",
                    "type": "string"
                },
                "displayFolder": {
                    "description": "Display folder for the measure.",
                    "type": "string"
                },
                "annotations": {
                    "description": "Additional annotations to include for this measure.",
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/MeasureExtensionAnnotation"
                    }
                },
                "references": {
                    "description": "References to other model measures and extensions used in the DAX of this measure.",
                    "$ref": "#/definitions/ExpressionReferences"
                }
            },
            "additionalProperties": false,
            "required": [
                "dataType",
                "expression",
                "name"
            ]
        },
        "PrimitiveTypeName": {
            "enum": [
                "Binary",
                "Boolean",
                "Date",
                "DateTime",
                "DateTimeZone",
                "Decimal",
                "Double",
                "Duration",
                "Integer",
                "Json",
                "None",
                "Null",
                "Text",
                "Time",
                "Variant"
            ],
            "type": "string"
        },
        "ReportExtensionMeasureTemplate": {
            "type": "object",
            "properties": {
                "daxTemplateName": {
                    "description": "Name of the template.",
                    "type": "string"
                },
                "version": {
                    "description": "Version of the template used.",
                    "type": "number"
                }
            },
            "additionalProperties": false,
            "required": [
                "daxTemplateName",
                "version"
            ]
        },
        "MeasureExtensionAnnotation": {
            "type": "object",
            "properties": {
                "name": {
                    "description": "Unique name for this annotation.",
                    "type": "string"
                },
                "value": {
                    "description": "Value for the annotation.",
                    "type": "string"
                }
            },
            "additionalProperties": false,
            "required": [
                "name",
                "value"
            ]
        },
        "ExpressionReferences": {
            "type": "object",
            "properties": {
                "unrecognizedReferences": {
                    "description": "False if all references are recognized.",
                    "type": "boolean"
                },
                "measures": {
                    "description": "References to model measures and other extensions.",
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/MeasureReference"
                    }
                }
            },
            "additionalProperties": false
        },
        "MeasureReference": {
            "type": "object",
            "properties": {
                "schema": {
                    "description": "Name of the schema - leave empty if using model measures. Use name of extension if using other measures from the extension.",
                    "type": "string"
                },
                "entity": {
                    "description": "Entity name of the measure.",
                    "type": "string"
                },
                "name": {
                    "description": "Name of the measure.",
                    "type": "string"
                }
            },
            "additionalProperties": false,
            "required": [
                "entity",
                "name"
            ]
        }
    }
}