通过Office 365 REST API标记的邮件？_Rest_Outlook_Office365_Outlook Restapi

通过Office 365 REST API标记的邮件？

rest outlook office365

通过Office 365 REST API标记的邮件？,rest,outlook,office365,outlook-restapi,Rest,Outlook,Office365,Outlook Restapi,我正在寻找一种使用Office 365 REST Message API检测和设置电子邮件“已标记”状态的方法。我没有看到“Flag”列为的属性，尽管我确实看到它列在下面我尝试进行REST调用，向筛选属性以及SingleValueExtendedProperties和MultiValueExtendedProperties添加标志，如： /folders/inbox/messages?$top=50&$select=Subject,...,Flag /folders/inbox/mes

我正在寻找一种使用Office 365 REST Message API检测和设置电子邮件“已标记”状态的方法。我没有看到“Flag”列为的属性，尽管我确实看到它列在下面

我尝试进行REST调用，向筛选属性以及SingleValueExtendedProperties和MultiValueExtendedProperties添加标志，如：

/folders/inbox/messages?$top=50&$select=Subject,...,Flag
/folders/inbox/messages?$top=50&$select=Subject,...,SingleValueExtendedProperties
/folders/inbox/messages?$top=50&$select=Subject,...,MultiValueExtendedProperties

所有这些都带来了某种形式的：

{"error":{"code":"RequestBroker-ParseUri","message":"Could not find a property named \\\'Flag\\\' on type \\\'Microsoft.OutlookServices.Message\\\'."}}

有关如何通过REST API访问Outlook“Flag”属性的任何建议？

更新：现在，

/beta

端点上的

消息上有一个Flag
属性。这是推荐的方法。我将把其他信息保留在那里，以用于历史目的，并帮助尝试设置其他扩展属性的人员
现在，您可以更轻松地获取/设置标志状态。现在具有类型为followFlag
的Flag
属性。（如果在该链接上看不到，请确保在页面顶部选择了beta
版本）
通过发送带有以下有效负载的补丁
，可以将消息标记为已标记：
{
  "Flag": {
    "FlagStatus": "Flagged"
  }
}


旧方法（使用扩展属性）
注意：我们最近做了一项更改，以简化扩展属性格式。这一变化正在向服务器推广，所以我
将新格式添加到此答案。我保留了旧的格式以防万一
任何人正在访问尚未应用更新的邮箱。
如果使用旧格式时出现错误：
"Could not find a property named 'PropertyRef' on type 
'Microsoft.OutlookServices.SingleValueLegacyExtendedProperty'."

您需要移动到新格式
您需要做的是包含一个$expand
查询参数以展开SingleValueExtendedProperties
集合，并包含一个$filter
子参数以指示要包含的属性。在这种情况下，您需要。请尝试以下查询：
新格式：
api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=PropertyId eq 'Integer 0x1090')

api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=(PropertyRef eq '0x1090' and Type eq Microsoft.OutlookServices.MapiPropertyType'Integer'))

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

旧格式：
api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=PropertyId eq 'Integer 0x1090')

api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=(PropertyRef eq '0x1090' and Type eq Microsoft.OutlookServices.MapiPropertyType'Integer'))

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

根本没有标记的消息将不会返回该属性。这样做的消息将如下所示：
新格式：
api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=PropertyId eq 'Integer 0x1090')

api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=(PropertyRef eq '0x1090' and Type eq Microsoft.OutlookServices.MapiPropertyType'Integer'))

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

旧格式：
api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=PropertyId eq 'Integer 0x1090')

api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=(PropertyRef eq '0x1090' and Type eq Microsoft.OutlookServices.MapiPropertyType'Integer'))

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

设置标志非常简单，只需在SingleValueExtendedProperties
集合中向具有该属性的邮件发送修补程序：
新格式：
api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=PropertyId eq 'Integer 0x1090')

api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=(PropertyRef eq '0x1090' and Type eq Microsoft.OutlookServices.MapiPropertyType'Integer'))

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

旧格式：
api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=PropertyId eq 'Integer 0x1090')

api/beta/me/messages?$select=Subject,SingleValueExtendedProperties&$expand=SingleValueExtendedProperties($filter=(PropertyRef eq '0x1090' and Type eq Microsoft.OutlookServices.MapiPropertyType'Integer'))

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

{
  "@odata.id": "https://outlook.office365.com/api/beta/Users('JasonJ@jasonjohdemo.onmicrosoft.com')/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=')",
  "@odata.etag": "W/\"CQAAABYAAADpfBfj8UPUTqu4bEwGpnFMAAAjCzND\"",
  "Id": "AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA=",
  "Subject": "Test Flag",
  "SingleValueExtendedProperties@odata.context": "https://outlook.office365.com/api/beta/$metadata#Me/Messages('AAMkAGQ4Yzc2NDkwLTYxYmItNDZmYS1iZjI1LTYyNmY4NTZkMjI1NgBGAAAAAADwPSus7EwaR6q1wNtgoqEMBwDpfBfj8UPUTqu4bEwGpnFMAAAAAAEgAADpfBfj8UPUTqu4bEwGpnFMAAAjCUJGAAA%3D')/SingleValueExtendedProperties",
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyId": "Integer 0x1090",
      "Value": "2"
    }
  ]
}

PATCH https://outlook.office365.com/api/beta/me/messages/{id}

{
  "SingleValueExtendedProperties": [
    {
      "PropertyRef": "0x1090",
      "Type": "Integer",
      "Value": "2"
    }
  ]
}

最后，per的值为2表示标记后续操作，1表示标记已完成。
感谢您提供的详细信息。我也可以打一个姐妹的“设置标志”电话吗？例如，如果我使用beta端点，我可以修补标志值吗？直到今天，这个答案对我来说都很有用。看起来微软可能改变了什么。当我尝试读取或设置这些值时，会收到一条错误消息。是的，你说得对。扩展属性格式正在进行更改。我会用新的格式更新我的答案。谢谢你及时的回答。有没有办法获得中断更改的预先通知？很难想象在当前的变化状态下创建一个使用这些API的产品。完全理解。此更改在未事先通知文档人员的情况下部署，这造成了一些混乱。还请记住，这是beta
端点，因此与1.0
端点相比，这里的变化可能更快一些。