diff --git a/templates/definition/tariff/amber.yaml b/templates/definition/tariff/amber.yaml
index e6cac52a9..f8658118a 100644
--- a/templates/definition/tariff/amber.yaml
+++ b/templates/definition/tariff/amber.yaml
@@ -5,8 +5,13 @@ group: price
 countries: ["AU"]
 params:
   - name: token
+    required: true
   - name: siteid
+    required: true
   - name: channel
+    type: choice
+    choice: ["general", "feedIn", "controlledLoad"]
+    required: true
   - preset: tariff-base
 render: |
   type: amber