diff --git a/src/rougail/convert/object_model.py b/src/rougail/convert/object_model.py
index d1453b8dd..e4e697b8c 100644
--- a/src/rougail/convert/object_model.py
+++ b/src/rougail/convert/object_model.py
@@ -295,6 +295,7 @@ class JinjaCalculation(Calculation):
         "choices",
         "dynamic",
         "secret_manager",
+        "identifier",
     ]
     jinja: StrictStr
     params: Optional[List[Param]] = None
@@ -876,7 +877,7 @@ class VariablePropertyCalculation(_VariableCalculation):
 
 
 class InformationCalculation(Calculation):
-    attribute_name: Literal["default", "choice", "dynamic"]
+    attribute_name: Literal["default", "choice", "dynamic", "identifier"]
     information: StrictStr
     variable: Optional[StrictStr]
 
@@ -935,7 +936,7 @@ class _IdentifierCalculation(Calculation):
 
 
 class IdentifierCalculation(_IdentifierCalculation):
-    attribute_name: Literal["default", "choice", "dynamic"]
+    attribute_name: Literal["default", "choice", "dynamic", "identifier"]
 
     def to_function(
         self,
@@ -996,7 +997,7 @@ class IdentifierPropertyCalculation(_IdentifierCalculation):
 
 
 class IndexCalculation(Calculation):
-    attribute_name: Literal["default", "choice", "dynamic"]
+    attribute_name: Literal["default", "choice", "dynamic", "identifier"]
 
     def to_function(
         self,