New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest fails with message "Value cannot be null.\r\nParameter name: action"

[VincentMcloud]

Describe the bug

Hello,
I am using version 2.27.0 of the Microsoft.Graph.Identity module to self activate an eligible Entra role in PIM.
The request fails with "Value cannot be null.\r\nParameter name: action".
This is the code I am using:
$params = ConvertTo-Json (
@{
"Action" = "selfActivate"
"principalId" = $PrincipalId
"roleDefinitionId" = $RoleDefinitionId
"directoryScopeId" = $DirectoryScopeId
"justification" = $justification
"scheduleInfo" = @{
#StartDateTime = Get-Date
"StartDateTime" = $StartDateTime
"Expiration" = @{
"Type" = "AfterDuration"
"Duration" = $Duration
}
}
}
)

New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest -BodyParameter $params

With Microsoft.Graph.Identity version 2.26.1 the request works fine.
Could you pleas investigate the issue?
Thanks,
Vincent

Expected behavior

The command works like in Microsoft.Graph.Identity version 2.26.1
$params = ConvertTo-Json (
@{
"Action" = "selfActivate"
"principalId" = $PrincipalId
"roleDefinitionId" = $RoleDefinitionId
"directoryScopeId" = $DirectoryScopeId
"justification" = $justification
"scheduleInfo" = @{
#StartDateTime = Get-Date
"StartDateTime" = $StartDateTime
"Expiration" = @{
"Type" = "AfterDuration"
"Duration" = $Duration
}
}
}
)

New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest -BodyParameter $params

How to reproduce

Replace

• $PrincipalId with the id of the currently logged on user
• $RoleDefinitionId with the id of an Entra ID role which is eligibly assigned to your user account using a role assignable group

$StartDateTime = (Get-Date).ToUniversalTime().ToString("yyyy-MM-ddTHH:mm:ss.fffZ")
$params = ConvertTo-Json (
@{
"Action" = "selfActivate"
"principalId" = $PrincipalId
"roleDefinitionId" = $RoleDefinitionId
"directoryScopeId" = "/"
"justification" = $justification
"scheduleInfo" = @{
#StartDateTime = Get-Date
"StartDateTime" = $StartDateTime
"Expiration" = @{
"Type" = "AfterDuration"
"Duration" = $Duration
}
}
}
)

New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest -BodyParameter $params

SDK Version

2.27.0

Latest version known to work for scenario above?

2.26.1

Known Workarounds

No response

Debug output

DEBUG: [CmdletBeginProcessing]: - New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest begin processing with parameterSet 'Create'.

DEBUG: [Authentication]: - AuthType: 'Delegated', TokenCredentialType: 'InteractiveBrowser', ContextScope: 'CurrentUser', AppName: 'Microsoft Graph Command Line Tools'.

DEBUG: [Authentication]: - Scopes: [RoleEligibilitySchedule.ReadWrite.Directory].

Confirm

Are you sure you want to perform this action?

Performing the operation "New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest_Create" on target "Call remote 'POST /roleManagement/directory/roleAssignmentScheduleRequests' operation".

[Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help (default is "Y"):

DEBUG: ============================ HTTP REQUEST ============================

HTTP Method:

POST

Absolute Uri:
https://graph.microsoft.com/v1.0/roleManagement/directory/roleAssignmentScheduleRequests

Headers:

FeatureFlag : 00000003

Cache-Control : no-store, no-cache

User-Agent : Mozilla/5.0,(Windows NT 10.0; Microsoft Windows 10.0.19045; en-US),PowerShell/7.4.7

SdkVersion : graph-powershell/2.27.0

client-request-id : 52d730b4-f9a7-484e-9491-4eb65f05198e

Accept-Encoding : gzip,deflate,br

Body:

{}

DEBUG: ============================ HTTP RESPONSE ============================

Status Code:

BadRequest

Headers:

Cache-Control : private

Vary : Accept-Encoding

Strict-Transport-Security : max-age=31536000

request-id : 18b86625-57b9-408a-9ba3-87ae388f76c0

client-request-id : 52d730b4-f9a7-484e-9491-4eb65f05198e

x-ms-ags-diagnostic : {"ServerInfo":{"DataCenter":"Germany West Central","Slice":"E","Ring":"4","ScaleUnit":"004","RoleInstance":"FR2PEPF00000B3B"}}

Date : Fri, 09 May 2025 08:28:12 GMT

Body:

{

"error": {

"code": "ArgumentNullException",

"message": "Value cannot be null.\r\nParameter name: action",

"innerError": {

  "date": "2025-05-09T08:28:13",

  "request-id": "18b86625-57b9-408a-9ba3-87ae388f76c0",

  "client-request-id": "52d730b4-f9a7-484e-9491-4eb65f05198e"

}

}

}

New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest_Create: Value cannot be null.

Parameter name: action

Status: 400 (BadRequest)

ErrorCode: ArgumentNullException

Date: 2025-05-09T08:28:13

Headers:

Cache-Control : private

Vary : Accept-Encoding

Strict-Transport-Security : max-age=31536000

request-id : 18b86625-57b9-408a-9ba3-87ae388f76c0

client-request-id : 52d730b4-f9a7-484e-9491-4eb65f05198e

x-ms-ags-diagnostic : {"ServerInfo":{"DataCenter":"Germany West Central","Slice":"E","Ring":"4","ScaleUnit":"004","RoleInstance":"FR2PEPF00000B3B"}}

Date : Fri, 09 May 2025 08:28:12 GMT

DEBUG: [CmdletEndProcessing]: - New-MgRoleManagementDirectoryRoleAssignmentScheduleRequest end processing.

Configuration

Host Application: C:\Program Files\PowerShell\7\pwsh.dll
PSVersion: 7.4.7
PSEdition: Core
GitCommitId: 7.4.7
OS: Microsoft Windows 10.0.19045
Platform: Win32NT

Other information

No response

[timayabi2020]

Please update to the latest version 2.28.0

[VincentMcloud]

Issue solved by upgrading to version 2.28.0