diff --git a/acmc/phen.py b/acmc/phen.py
index 647f0f2957a4ff22b07d929748b58ef8b0f9e8f2..d2a1787e3f654be3bc441749f63415377ce98f34 100644
--- a/acmc/phen.py
+++ b/acmc/phen.py
@@ -140,7 +140,11 @@ CONFIG_SCHEMA = {
                                     },  # Optional but must be string if present
                                     "actions": {
                                         "type": "dict",
-                                        "schema": {"divide_col": {"type": "string"}},
+                                        "schema": {
+                                            "divide_col": {"type": "string"},
+                                            "split_col": {"type": "string"},
+                                            "codes_col": {"type": "string"}
+                                        },
                                     },
                                     
                                 },