AssignGraphRights.ps1

$graphScope = "LearningContent.ReadWrite.All"
$servicePrincipalObjectId = "Enter object ID of Logic App here"
$TenantID = "contoso.onmicrosoft.com"

Install-Module Microsoft.Graph
Connect-MgGraph -Scope “AppRoleAssignment.ReadWrite.All”,”Application.Read.All” -tenantId $TenantID
$graph = Get-MgServicePrincipal -Filter "AppId eq '00000003-0000-0000-c000-000000000000'"
$graphAppRole = $graph.AppRoles | ? Value -eq $graphScope


$appRoleAssignment = @{
    "principalId" = $servicePrincipalObjectId
    "resourceId"  = $graph.Id
    "appRoleId"   = $graphAppRole.Id
}

New-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $servicePrincipalObjectId -BodyParameter $appRoleAssignment | Format-List