diff --git a/ListRoles/function.json b/ListRoles/function.json
new file mode 100644
index 000000000000..306b0c51e560
--- /dev/null
+++ b/ListRoles/function.json
@@ -0,0 +1,19 @@
+{
+  "bindings": [
+    {
+      "authLevel": "anonymous",
+      "type": "httpTrigger",
+      "direction": "in",
+      "name": "Request",
+      "methods": [
+        "get",
+        "post"
+      ]
+    },
+    {
+      "type": "http",
+      "direction": "out",
+      "name": "Response"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/ListRoles/run.ps1 b/ListRoles/run.ps1
new file mode 100644
index 000000000000..89228d57dd66
--- /dev/null
+++ b/ListRoles/run.ps1
@@ -0,0 +1,32 @@
+using namespace System.Net
+
+# Input bindings are passed in via param block.
+param($Request, $TriggerMetadata)
+
+$APIName = $TriggerMetadata.FunctionName
+Log-Request -user $request.headers.'x-ms-client-principal' -API $APINAME  -message "Accessed this API" -Sev "Debug"
+
+
+# Write to the Azure Functions log stream.
+Write-Host "PowerShell HTTP trigger function processed a request."
+
+# Interact with query parameters or the body of the request.
+$TenantFilter = $Request.Query.TenantFilter
+$SelectList = 'id', 'displayName', 'userPrincipalName'
+
+[System.Collections.Generic.List[PSCustomObject]]$Roles = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/directoryRoles" -tenantid $TenantFilter
+
+$GraphRequest = foreach ($Role in $Roles) {
+	[System.Collections.Generic.List[PSCustomObject]]$Members = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/directoryRoles/$($Role.id)/members?`$select=$($selectlist -join ',')" -tenantid $TenantFilter | select-object $SelectList
+	[PSCustomObject]@{
+		DisplayName    = $Role.displayName
+		Description = $Role.description
+		Members = ($Members | ForEach-Object { $Return = "$($_.displayName)"; if ($_.userPrincipalName){$Return = $Return + " ($($_.userPrincipalName))"}; $Return}) -join ', '
+	}
+}
+
+# Associate values to output bindings by calling 'Push-OutputBinding'.
+Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
+		StatusCode = [HttpStatusCode]::OK
+		Body       = $GraphRequest
+	})
\ No newline at end of file