diff --git a/core/src/main/java/io/substrait/extension/SimpleExtension.java b/core/src/main/java/io/substrait/extension/SimpleExtension.java
index 60e3993d9..657ee8644 100644
--- a/core/src/main/java/io/substrait/extension/SimpleExtension.java
+++ b/core/src/main/java/io/substrait/extension/SimpleExtension.java
@@ -119,6 +119,14 @@ public ParameterizedType value() {
       return value;
     }
 
+    public String name() {
+      return name;
+    }
+
+    public boolean constant() {
+      return constant;
+    }
+
     public String description() {
       return description;
     }