azureblog.co.uk
← cd ~/graph-permissions
// graph-permissions · Schedule

Schedule.Read.AllMicrosoft Graph permission · Medium risk

Allows the app to read all schedules, schedule groups, shifts and associated entities in the Teams or Shifts application without a signed-in user.

Application permission

Medium risk

Read all schedule items. Allows the app to read all schedules, schedule groups, shifts and associated entities in the Teams or Shifts application without a signed-in user.

ID7b2ebf90-d836-437f-b90d-7b62722c4456
ConsentAlways needs admin consent
RiskReads data across the tenant without a signed-in user.

Delegated permission

Low risk

Read user schedule items. Allows the app to read schedule, schedule groups, shifts and associated entities in the Teams or Shifts application on behalf of the signed-in user.

IDfccf6dd8-5706-49fa-811f-69e2e1b585d0
ConsentNeeds admin consent
RiskRead access, limited to what the signed-in user can see.

Grant it to an app

In the portal: App registrations › your app › API permissions › Add a permission › Microsoft Graph › Application permissions, then grant admin consent. Or with Graph PowerShell:

powershell5 lines
Connect-MgGraph -Scopes "Application.Read.All", "AppRoleAssignment.ReadWrite.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
$app   = Get-MgServicePrincipal -Filter "appId eq '<your app's client id>'"
New-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $app.Id `
    -PrincipalId $app.Id -ResourceId $graph.Id -AppRoleId "7b2ebf90-d836-437f-b90d-7b62722c4456"

Ask for it when signing in

Delegated permissions act as the signed-in user, so the app can never do more than that user can.

powershell1 line
Connect-MgGraph -Scopes "Schedule.Read.All"

Which apps already have it?

powershell6 lines
# Apps that hold Schedule.Read.All as an application permission
Connect-MgGraph -Scopes "Application.Read.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
Get-MgServicePrincipalAppRoleAssignedTo -ServicePrincipalId $graph.Id -All |
    Where-Object AppRoleId -eq "7b2ebf90-d836-437f-b90d-7b62722c4456" |
    Select-Object PrincipalDisplayName, PrincipalId, CreatedDateTime
powershell6 lines
# Apps with delegated consent for Schedule.Read.All
Connect-MgGraph -Scopes "Application.Read.All", "Directory.Read.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
Get-MgOauth2PermissionGrant -All |
    Where-Object { $_.ResourceId -eq $graph.Id -and ($_.Scope -split " ") -contains "Schedule.Read.All" } |
    Select-Object ClientId, ConsentType, PrincipalId

Other Schedule permissions

Check every app in your tenant → Permission explainer

Sources