1 files changed, 7 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/searchdefinition/fieldoperation/AttributeOperation.java b/config-model/src/main/java/com/yahoo/searchdefinition/fieldoperation/AttributeOperation.java
index 46ac3cc1691..4df3660a967 100644
--- a/config-model/src/main/java/com/yahoo/searchdefinition/fieldoperation/AttributeOperation.java
+++ b/config-model/src/main/java/com/yahoo/searchdefinition/fieldoperation/AttributeOperation.java
@@ -16,6 +16,7 @@ public class AttributeOperation implements FieldOperation, FieldOperationContain
     private Boolean huge;
     private Boolean fastSearch;
     private Boolean fastAccess;
+    private Boolean mutable;
     private Boolean prefetch;
     private Boolean enableBitVectors;
     private Boolean enableOnlyBitVector;
@@ -68,6 +69,9 @@ public class AttributeOperation implements FieldOperation, FieldOperationContain
     public void setFastAccess(Boolean fastAccess) {
         this.fastAccess = fastAccess;
     }
+    public void setMutable(Boolean mutable) {
+        this.mutable = mutable;
+    }
 
     public Boolean getPrefetch() {
         return prefetch;
@@ -143,6 +147,9 @@ public class AttributeOperation implements FieldOperation, FieldOperationContain
         if (fastAccess != null) {
             attribute.setFastAccess(fastAccess);
         }
+        if (mutable != null) {
+            attribute.setMutable(mutable);
+        }
         if (prefetch != null) {
             attribute.setPrefetch(prefetch);
         }