diff --git a/Custom-Post-Processing-Scripts.md b/Custom-Post-Processing-Scripts.md
index ed45498..39e150b 100644
--- a/Custom-Post-Processing-Scripts.md
+++ b/Custom-Post-Processing-Scripts.md
@@ -73,8 +73,20 @@ Sonarr can execute a custom script when an episode is newly imported or renamed
 | sonarr_series_path | Full path to the series |
 | sonarr_series_tvdbid | TVDB ID for the series |
 
+##### On Test #####
+
+When adding the script to Sonarr and run 'Test' the script will be invoked with the following parameters.
+The script should be able to gracefully ignore any other eventtype
+
+| Environment Variable | Details |
+|---|---|
+| sonarr_eventtype | Test |
+
+
 ### Arguments ###
 
+_(Warning: Adding arguments is no longer supported in Sonarr v3, point to the script directly.)_
+
 Additional command line line arguments that are passed to your script, such as running your script through cmd.exe you would set the path to `cmd.exe` and the arguments to `/c C:\Path\to\script.bat`.
 
 ### Specific usage tips ###