diff --git a/source/behavior/loot_tables/functions.json b/source/behavior/loot_tables/functions.json
index 9c13f8d3..a7b37abc 100644
--- a/source/behavior/loot_tables/functions.json
+++ b/source/behavior/loot_tables/functions.json
@@ -30,6 +30,12 @@
         "set_name",
         "specific_enchants"
       ]
+    },
+    "add": {
+      "title": "Add",
+      "description": "UNDOCUMENTED",
+      "type": "boolean",
+      "default": false
     }
   },
   "allOf": [
diff --git a/source/behavior/loot_tables/loot_tables.json b/source/behavior/loot_tables/loot_tables.json
index db6ad25c..a2365f31 100644
--- a/source/behavior/loot_tables/loot_tables.json
+++ b/source/behavior/loot_tables/loot_tables.json
@@ -127,6 +127,14 @@
               "bonus_rolls": { "title": "Bonus Rolls", "description": "UNDOCUMENTED", "$comment": "UNDOCUMENTED", "type": "integer" },
               "initial_range": { "title": "Initial Range", "description": "UNDOCUMENTED", "$comment": "UNDOCUMENTED", "type": "integer" }
             }
+          },
+          "bonus_rolls": {
+            "title": "Bonus Rolls",
+            "description": "UNDOCUMENTED",
+            "$comment": "UNDOCUMENTED",
+            "type": "integer",
+            "minimum": 0,
+            "default": 0
           }
         }
       }