diff --git a/scripts/bootstrap-ocsentinel-ninja.ps1 b/scripts/bootstrap-ocsentinel-ninja.ps1
index cf24198..9e71c99 100644
--- a/scripts/bootstrap-ocsentinel-ninja.ps1
+++ b/scripts/bootstrap-ocsentinel-ninja.ps1
@@ -18,6 +18,20 @@ $clientConfigPath = Join-Path $installRoot "config\ocsentinel-client.json"
 $secretScriptPath = Join-Path $installRoot "scripts\protect-ocsentinel-secret.ps1"
 $secretPath = "C:\ProgramData\OCSentinel\secrets\ocsentinel-upload-secret.dat"
 
+# NinjaOne script variables are exposed as process environment variables.
+if ([string]::IsNullOrWhiteSpace($WebhookUrl)) {
+    $WebhookUrl = $env:WebhookUrl
+}
+
+if ([string]::IsNullOrWhiteSpace($SecretValue)) {
+    $SecretValue = $env:SecretValue
+}
+
+$runInitialScan = $RunInitialStatusScan.IsPresent
+if (-not $runInitialScan -and -not [string]::IsNullOrWhiteSpace($env:RunInitialStatusScan)) {
+    $runInitialScan = $env:RunInitialStatusScan -match '^(1|true|yes|on)$'
+}
+
 function Assert-ArtifactSignature {
     param([Parameter(Mandatory)][string]$ExecutablePath)
 
@@ -108,7 +122,7 @@ if (-not [string]::IsNullOrWhiteSpace($SecretValue)) {
     }
 }
 
-if ($RunInitialStatusScan) {
+if ($runInitialScan) {
     if (-not (Test-Path -LiteralPath $monitorPath)) {
         throw "OCSentinel was installed, but the monitor script is missing."
     }