diff --git a/ServiceNow/Private/Invoke-ServiceNowRestMethod.ps1 b/ServiceNow/Private/Invoke-ServiceNowRestMethod.ps1
index 9345968..b114436 100644
--- a/ServiceNow/Private/Invoke-ServiceNowRestMethod.ps1
+++ b/ServiceNow/Private/Invoke-ServiceNowRestMethod.ps1
@@ -127,7 +127,7 @@ function Invoke-ServiceNowRestMethod {
         }
 
         if ($Property) {
-            $Body.sysparm_fields = ($Property -join ',').ToLower()
+            $Body.sysparm_fields = $Property -join ','
         }
 
         if ( $Body ) {
diff --git a/ServiceNow/Public/Export-ServiceNowRecord.ps1 b/ServiceNow/Public/Export-ServiceNowRecord.ps1
index 514440d..7f40f20 100644
--- a/ServiceNow/Public/Export-ServiceNowRecord.ps1
+++ b/ServiceNow/Public/Export-ServiceNowRecord.ps1
@@ -17,7 +17,8 @@
     If providing just an Id, not with Table, the Id prefix will be looked up to find the table name.
 
 .PARAMETER Property
-    Return one or more specific fields otherwise all fields will be returned
+    Return one or more specific fields otherwise all fields will be returned.
+    Field names are case sensitive.
 
 .PARAMETER Filter
     Array or multidimensional array of fields and values to filter on.
diff --git a/ServiceNow/Public/Get-ServiceNowRecord.ps1 b/ServiceNow/Public/Get-ServiceNowRecord.ps1
index 62b7a54..23f88f5 100644
--- a/ServiceNow/Public/Get-ServiceNowRecord.ps1
+++ b/ServiceNow/Public/Get-ServiceNowRecord.ps1
@@ -25,7 +25,8 @@
     The comparison performed is a 'like'.
 
 .PARAMETER Property
-    Return one or more specific fields otherwise all fields will be returned
+    Return one or more specific fields otherwise all fields will be returned.
+    Field names are case sensitive.
 
 .PARAMETER Filter
     Array or multidimensional array of fields and values to filter on.