Create br_validate_short_description.js

Author: mandeepkaran

Core ServiceNow APIs/GlideElement/Smart Field Validation and Dependent Field Derivation Using getError() and setError()/br_validate_short_description.js

@@ -0,0 +1,16 @@
+// Name: Validate Short Description
+// Table: Incident
+// When: before insert or before update
+// Order: 100
+
+(function executeRule(current, previous /*null when async*/) {
+    var short_desc = current.getValue('short_description');
+
+    // Validate only for new records or when field changes
+    if (current.operation() === 'insert' || current.short_description.changes()) {
+        if (!short_desc || short_desc.trim().length < 40) {
+            current.short_description.setError('Short description must be at least 40 characters long.');
+            current.setAbortAction(true);
+        }
+    }
+})(current, previous);