add environmentName to the alert template variable list

Issue: nextgenhealthcare/connect#6261
Original-pr: nextgenhealthcare/connect#6262
Signed-off-by: Richard Ogin <rogin@users.noreply.github.com>

Author: rogin

client/src/com/mirth/connect/client/ui/alert/DefaultAlertEditPanel.java

@@ -1,11 +1,6 @@
-/*
- * Copyright (c) Mirth Corporation. All rights reserved.
- * 
- * http://www.mirthcorp.com
- * 
- * The software in this package is published under the terms of the MPL license a copy of which has
- * been included with this distribution in the LICENSE.txt file.
- */
+// SPDX-License-Identifier: MPL-2.0
+// SPDX-FileCopyrightText: Mirth Corporation
+// SPDX-FileCopyrightText: 2025-2026 Open Integration Engine Contributors
 
 package com.mirth.connect.client.ui.alert;
 
@@ -106,6 +101,7 @@ public void updateVariableList() {
         variables.add("alertName");
         variables.add("serverId");
         variables.add("serverName");
+        variables.add("environmentName");
         variables.add("globalMapVariable");
         variables.add("date");
 

server/src/com/mirth/connect/server/alert/Alert.java

@@ -1,24 +1,27 @@
-/*
- * Copyright (c) Mirth Corporation. All rights reserved.
- * 
- * http://www.mirthcorp.com
- * 
- * The software in this package is published under the terms of the MPL license a copy of which has
- * been included with this distribution in the LICENSE.txt file.
- */
+// SPDX-License-Identifier: MPL-2.0
+// SPDX-FileCopyrightText: Mirth Corporation
+// SPDX-FileCopyrightText: 2025-2026 Open Integration Engine Contributors
 
 package com.mirth.connect.server.alert;
 
+import static java.util.Map.entry;
+
 import java.util.HashMap;
+import java.util.Objects;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.apache.velocity.tools.generic.DateTool;
 
+import com.mirth.connect.client.core.ControllerException;
+import com.mirth.connect.model.ServerSettings;
 import com.mirth.connect.model.alert.AlertModel;
 import com.mirth.connect.server.controllers.ConfigurationController;
 
 public class Alert {
+    private static final Logger logger = LogManager.getLogger(Alert.class);
 
     private AlertModel model;
     private Long enabledDateTime;
@@ -56,12 +59,25 @@ public Map<String, Object> createContext() {
         context.put("alertId", model.getId());
         context.put("alertName", model.getName());
         context.put("serverId", ConfigurationController.getInstance().getServerId());
-        context.put("serverName", ConfigurationController.getInstance().getServerName());
+        context.putAll(getServerSettings());
         context.put("date", new DateTool());
 
         return context;
     }
 
+    private Map<String, Object> getServerSettings() {
+        try {
+            ServerSettings settings = ConfigurationController.getInstance().getServerSettings();
+            // ensure an empty string as Velocity won't replace when given a null value
+            return Map.ofEntries(entry("serverName", Objects.toString(settings.getServerName(), "")),
+                    entry("environmentName", Objects.toString(settings.getEnvironmentName(), "")));
+        } catch (ControllerException e) {
+            logger.warn("Failed to retrieve server settings", e);
+        }
+
+        return Map.of();
+    }
+
     public int getAlertedCount() {
         return alertedCount.get();
     }