Calendars.ReadBasic.All
Allows the app to read events of all calendars, except for properties such as body, attachments, and extensions, without a signed-in user.
Permission Details
Read basic details of calendars in all mailboxes
Allows the app to read events of all calendars, except for properties such as body, attachments, and extensions, without a signed-in user.
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Properties
| Property | Type | Description |
|---|---|---|
id |
string |
The unique identifier for an entity. Read-only. |
owner |
object |
If set, this represents the user who created or added the calendar. For a calendar that the user created or added, the owner property is set to the user. For a calendar shared with the user, the owner property is set to the person who shared that calendar with the user. Read-only. |
multiValueExtendedProperties |
microsoft.graph.multiValueLegacyExtendedProperty collection |
The collection of multi-value extended properties defined for the calendar. Read-only. Nullable. |
canViewPrivateItems |
booleanNullable |
true if the user can read calendar items that have been marked private, false otherwise. This property is set through an Outlook client or the corresponding calendarPermission resource. Read-only. |
name |
stringNullable |
The calendar name. |
defaultOnlineMeetingProvider |
object |
The default online meeting provider for meetings sent from this calendar. The possible values are: unknown, skypeForBusiness, skypeForConsumer, teamsForBusiness. |
calendarPermissions |
microsoft.graph.calendarPermission collection |
The permissions of the users with whom the calendar is shared. |
color |
object |
Specifies the color theme to distinguish the calendar from other calendars in a UI. The property values are: auto, lightBlue, lightGreen, lightOrange, lightGray, lightYellow, lightTeal, lightPink, lightBrown, lightRed, maxColor. |
isRemovable |
booleanNullable |
Indicates whether this user calendar can be deleted from the user mailbox. |
canEdit |
booleanNullable |
true if the user can write to the calendar, false otherwise. This property is true for the user who created the calendar. This property is also true for a user who has been shared a calendar and granted write access, through an Outlook client or the corresponding calendarPermission resource. Read-only. |
singleValueExtendedProperties |
microsoft.graph.singleValueLegacyExtendedProperty collection |
The collection of single-value extended properties defined for the calendar. Read-only. Nullable. |
hexColor |
stringNullable |
The calendar color, expressed in a hex color code of three hexadecimal values, each ranging from 00 to FF and representing the red, green, or blue components of the color in the RGB color space. If the user has never explicitly set a color for the calendar, this property is empty. |
events |
microsoft.graph.event collection |
The events in the calendar. Navigation property. Read-only. |
canShare |
booleanNullable |
true if the user has the permission to share the calendar, false otherwise. Only the user who created the calendar can share it. Read-only. |
isDefaultCalendar |
booleanNullable |
true if this is the default calendar where new events are created by default, false otherwise. |
Showing 15 of 22 properties. View all on Microsoft Learn →
Relationships
| Relationship | Type | Description |
|---|---|---|
calendarView |
event collection |
The calendar view for the calendar. Navigation property. Read-only. |
events |
event collection |
The events in the calendar. Navigation property. Read-only. |
singleValueExtendedProperties |
singleValueExtendedProperties collection |
The collection of single-value extended properties defined for the calendar. Read-only. Nullable. |
multiValueExtendedProperties |
multiValueExtendedProperties collection |
The collection of multi-value extended properties defined for the calendar. Read-only. Nullable. |
calendarPermissions |
calendarPermission collection |
The permissions of the users with whom the calendar is shared. |
Graph Methods
No API methods available for this version.
No API methods available for this version.
No PowerShell cmdlets found for this permission.
No PowerShell cmdlets found for this permission.
Code Examples
// Install: dotnet add package Microsoft.Graph
// Install: dotnet add package Azure.Identity
using Microsoft.Graph;
using Azure.Identity;
// Application permissions - daemon/service app
var tenantId = "YOUR_TENANT_ID";
var clientId = "YOUR_CLIENT_ID";
var clientSecret = "YOUR_CLIENT_SECRET";
var credential = new ClientSecretCredential(tenantId, clientId, clientSecret);
var graphClient = new GraphServiceClient(credential);
// Example: GET /users/{user-id}
var users = await graphClient.Users.GetAsync();
foreach (var user in users?.Value ?? [])
{
Console.WriteLine($"User: {user.DisplayName}");
}
// npm install @azure/msal-browser @microsoft/microsoft-graph-client
import { PublicClientApplication } from "@azure/msal-browser";
import { Client } from "@microsoft/microsoft-graph-client";
import { AuthCodeMSALBrowserAuthenticationProvider } from
"@microsoft/microsoft-graph-client/authProviders/authCodeMsalBrowser";
const msalConfig = {
auth: {
clientId: "YOUR_CLIENT_ID",
authority: "https://login.microsoftonline.com/YOUR_TENANT_ID"
}
};
const pca = new PublicClientApplication(msalConfig);
await pca.initialize();
// Application: Use client credentials (Node.js backend only)
// npm install @azure/identity @microsoft/microsoft-graph-client
import { ClientSecretCredential } from "@azure/identity";
import { TokenCredentialAuthenticationProvider } from
"@microsoft/microsoft-graph-client/authProviders/azureTokenCredentials";
const credential = new ClientSecretCredential(
"YOUR_TENANT_ID",
"YOUR_CLIENT_ID",
"YOUR_CLIENT_SECRET"
);
const authProvider = new TokenCredentialAuthenticationProvider(credential, {
scopes: ["https://graph.microsoft.com/.default"]
});
const graphClient = Client.initWithMiddleware({ authProvider });
const result = await graphClient.api("/users").get();
console.log(result);
# Install Microsoft Graph PowerShell module
Install-Module Microsoft.Graph -Scope CurrentUser
# Application access with certificate
$params = @{
ClientId = "YOUR_CLIENT_ID"
TenantId = "YOUR_TENANT_ID"
CertificateThumbprint = "YOUR_CERT_THUMBPRINT"
}
Connect-MgGraph @params
# Or with client secret (not recommended for production)
# Connect-MgGraph -ClientSecretCredential $credential
# Example: GET /users
$result = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/users"
$result | ConvertTo-Json -Depth 5
# Always disconnect when done
Disconnect-MgGraph
# pip install msgraph-sdk azure-identity
from azure.identity import InteractiveBrowserCredential, ClientSecretCredential
from msgraph import GraphServiceClient
import asyncio
# Application permissions - client credentials
credential = ClientSecretCredential(
tenant_id="YOUR_TENANT_ID",
client_id="YOUR_CLIENT_ID",
client_secret="YOUR_CLIENT_SECRET"
)
scopes = ["https://graph.microsoft.com/.default"]
client = GraphServiceClient(credential, scopes)
async def get_users():
# Example: GET /users
result = await client.users.get()
for user in result.value:
print(f"User: {user.display_name}")
return result
asyncio.run(get_users())
App Registration
Navigate to Azure Portal
Go to App registrations in Microsoft Entra admin center
Add API Permission
Select your app → API permissions → Add a permission → Microsoft Graph
Select Permission Type
Choose Application permissions and search for Calendars.ReadBasic.All
Grant Admin Consent
Application permissions always require admin consent. Click "Grant admin consent" in the Azure portal.