diff --git a/mappings/net/minecraft/world/loot/function/SetNbtLootFunction.mapping b/mappings/net/minecraft/world/loot/function/SetNbtLootFunction.mapping
new file mode 100644
index 0000000000..c999356573
--- /dev/null
+++ b/mappings/net/minecraft/world/loot/function/SetNbtLootFunction.mapping
@@ -0,0 +1,10 @@
+CLASS cpy net/minecraft/world/loot/function/SetNbtLootFunction
+	CLASS cpy$a Builder
+	FIELD a tag Lib;
+	METHOD <init> ([Lcqr;Lib;)V
+		ARG 1 conditions
+		ARG 2 tag
+	METHOD a builder (Lib;)Lcpn$a;
+		ARG 0 tag
+	METHOD a (Lib;[Lcqr;)Lcpo;
+		ARG 1 conditions