naftiko/skills/create-calendar-single-value-property
skills/create-calendar-single-value-property/SKILL.md
# Create Calendar Single-Value Extended Property Creates a single-value extended MAPI property on a calendar. Use this operation to store custom metadata as a single string value on a calendar using extended MAPI properties. ## API Details - **API**: Microsoft Outlook Calendar API - **Method**: POST - **Path**: `/me/calendars/{calendarId}/singleValueExtendedProperties` - **Operation ID**: `createCalendarSingleValueProperty` - **Tag**: ExtendedProperties - **OpenAPI**: [microsoft-outlook-calen
development
Updated Apr 8, 2026
$ install --global
skillsauthnpx skillsauth add naftiko/microsoft-outlook-sandbox skills/create-calendar-single-value-propertyInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
Create Calendar Single-Value Extended Property
Creates a single-value extended MAPI property on a calendar. Use this operation to store custom metadata as a single string value on a calendar using extended MAPI properties.
API Details
- API: Microsoft Outlook Calendar API
- Method: POST
- Path:
/me/calendars/{calendarId}/singleValueExtendedProperties - Operation ID:
createCalendarSingleValueProperty - Tag: ExtendedProperties
- OpenAPI: microsoft-outlook-calendar-api.yaml
Sandbox
Mock server URL: http://localhost:8080/rest/microsoft-outlook-calendar-api/1.0.0/me/calendars/{calendarId}/singleValueExtendedProperties
Required Headers
Authorization: Bearer {access-token}Content-Type: application/json
OAuth Scopes
Calendars.ReadWrite
Path Parameters
| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| calendarId | string | Yes | The unique identifier of the calendar |
Request Body
| Property | Type | Required | Description |
|----------|------|----------|-------------|
| id | string | Yes | The property identifier in MAPI format |
| value | string | Yes | The single string value for the property |
Example Request
curl -X POST "http://localhost:8080/rest/microsoft-outlook-calendar-api/1.0.0/me/calendars/AAMkAGI1AAA=/singleValueExtendedProperties" \
-H "Authorization: Bearer {access-token}" \
-H "Content-Type: application/json" \
-d '{
"id": "String {66f5a359-4659-4830-9070-00047ec6ac6e} Name Color",
"value": "Green"
}'
Example Response
{
"id": "String {66f5a359-4659-4830-9070-00047ec6ac6e} Name Color",
"value": "Green"
}
Instructions
Use this operation when you need to store custom single-value metadata on a calendar using extended MAPI properties. The property ID follows the MAPI naming convention with a format like "String {GUID} Name PropertyName". This is useful for storing application-specific data that is not covered by standard calendar properties.
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