{
  "sections": [
    "title",
    "description",
    "fields",
    "special_access_rules",
    "wsdl_segment",
    "field_reference"
  ],
  "title": "WorkOrderHistory - Data API",
  "description": "Represents the history of changes made to tracked fields on a work order. This object is available in API version 36.0 and later.",
  "fields_columns": [
    "type",
    "properties",
    "description",
    "relationship_name",
    "relationship_type",
    "refers_to"
  ],
  "fields": {
    "DataType": {
      "type": "picklist",
      "properties": "Filter, Group, Nillable, Restricted picklist, Sort",
      "description": "Data type of the field that was changed."
    },
    "Field": {
      "type": "picklist",
      "properties": "Filter, Group, Restricted picklist, Sort",
      "description": "The name of the field that was changed."
    },
    "NewValue": {
      "type": "anyType",
      "properties": "Nillable, Sort",
      "description": "The new value of the field that was changed."
    },
    "OldValue": {
      "type": "anyType",
      "properties": "Nillable, Sort",
      "description": "The value of the field before it was changed."
    },
    "WorkOrderId": {
      "type": "reference",
      "properties": "Filter, Group, Sort",
      "description": "ID of the work order being tracked. The history is displayed on the detail page for this record. This is a relationship field.",
      "relationship_name": "WorkOrder",
      "relationship_type": "Lookup",
      "refers_to": "WorkOrder"
    }
  },
  "special_access_rules": "Work orders or Field Service must be enabled in your organization, and field tracking for work order fields must be configured.",
  "wsdl_segment": "```xml\n<simpleType name=\"ID\">\n  <restriction base=\"xsd:string\">\n    <length value=\"18\"/>\n    <pattern value=\"[a-zA-Z0-9]{18}\"/>\n  </restriction>\n</simpleType>\n<complexType name=\"WorkOrderHistory\">\n  <complexContent>\n    <extension base=\"ens:sObject\">\n      <sequence>\n        <element name=\"CreatedBy\" nillable=\"true\" minOccurs=\"0\" type=\"ens:sObject\"/>\n        <element name=\"CreatedById\" nillable=\"true\" minOccurs=\"0\" type=\"tns:ID\"/>\n        <element name=\"CreatedDate\" nillable=\"true\" minOccurs=\"0\" type=\"xsd:dateTime\"/>\n        <element name=\"DataType\" nillable=\"true\" minOccurs=\"0\" type=\"xsd:string\"/>\n        <element name=\"Field\" nillable=\"true\" minOccurs=\"0\" type=\"xsd:string\"/>\n        <element name=\"IsDeleted\" nillable=\"true\" minOccurs=\"0\" type=\"xsd:boolean\"/>\n        <element name=\"NewValue\" nillable=\"true\" minOccurs=\"0\" type=\"xsd:anyType\"/>\n        <element name=\"OldValue\" nillable=\"true\" minOccurs=\"0\" type=\"xsd:anyType\"/>\n        <element name=\"WorkOrder\" nillable=\"true\" minOccurs=\"0\" type=\"ens:WorkOrder\"/>\n        <element name=\"WorkOrderId\" nillable=\"true\" minOccurs=\"0\" type=\"tns:ID\"/>\n      </sequence>\n    </extension>\n  </complexContent>\n</complexType>\n```",
  "field_reference": {
    "CreatedById": {
      "field_label": "Created By ID",
      "type": "reference",
      "length": "18"
    },
    "CreatedDate": {
      "field_label": "Created Date",
      "type": "datetime"
    },
    "DataType": {
      "field_label": "Datatype",
      "type": "picklist",
      "length": "40"
    },
    "Field": {
      "field_label": "Changed Field",
      "type": "picklist",
      "length": "255"
    },
    "Id": {
      "field_label": "Work Order History ID",
      "type": "id",
      "length": "18"
    },
    "IsDeleted": {
      "field_label": "Deleted",
      "type": "boolean"
    },
    "NewValue": {
      "field_label": "New Value",
      "type": "anyType",
      "length": "255"
    },
    "OldValue": {
      "field_label": "Old Value",
      "type": "anyType",
      "length": "255"
    },
    "WorkOrderId": {
      "field_label": "Work Order ID",
      "type": "reference",
      "length": "18"
    }
  },
  "field_reference_columns": [
    "field_label",
    "type",
    "length"
  ]
}