diff --git a/package.json b/package.json
index b26ebf3..adbfbc1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "asajs",
-	"version": "4.1.6",
+	"version": "4.1.7",
 	"description": "Create your Minecraft JSON-UI resource packs using JavaScript",
 	"keywords": [
 		"Minecraft",
diff --git a/src/compilers/FormatProperties.ts b/src/compilers/FormatProperties.ts
index bb7d556..2a1b2f0 100644
--- a/src/compilers/FormatProperties.ts
+++ b/src/compilers/FormatProperties.ts
@@ -15,6 +15,23 @@ export function FormatProperties(properties: any) {
 			property_bag[<Binding>key] = value
 			delete properties[key]
 		}
+
+		if (key.startsWith("$")) {
+			const [varName, varType] = key.split("|")
+
+			switch (varType) {
+				case "d":
+					properties[`${varName}|default`] = value
+					delete properties[key]
+					break
+
+				case "default":
+					break
+
+				default:
+					throw new Error("Invalid variable type")
+			}
+		}
 	}
 
 	if (config.compiler?.fixInventoryItemRenderer && property_bag[BagBinding.ITEM_ID_AUX]) {
diff --git a/src/compilers/bindings/Checker.ts b/src/compilers/bindings/Checker.ts
index aace94b..208a37b 100644
--- a/src/compilers/bindings/Checker.ts
+++ b/src/compilers/bindings/Checker.ts
@@ -34,6 +34,10 @@ export function isBinding(input: string) {
 	return /^#\w+$/.test(input)
 }
 
+export function isVariable(input: string) {
+	return /^\$\w+$/.test(input)
+}
+
 export function isNumber(input: string) {
 	return /^[+-]?(?:\d+|\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?$/.test(input)
 }
diff --git a/src/compilers/bindings/Function.ts b/src/compilers/bindings/Function.ts
index 533c89b..0fa1fe3 100644
--- a/src/compilers/bindings/Function.ts
+++ b/src/compilers/bindings/Function.ts
@@ -1,7 +1,7 @@
-import { bs, RandomBindingString, RandomString, ResolveBinding } from "../../components/Utils.js"
-import { BindingItem } from "../../types/properties/value.js"
+import { bs, RandomBindingString, RandomString, ResolveBinding, vs } from "../../components/Utils.js"
+import { Binding, BindingItem, Variable } from "../../types/properties/value.js"
 import { bindingFuntions } from "../Configuration.js"
-import { isBinding, isNumber, isString } from "./Checker.js"
+import { isBinding, isNumber, isString, isVariable } from "./Checker.js"
 import { Expression, GenBinding } from "./types.js"
 
 type CallbackRet = {
@@ -244,7 +244,15 @@ export const defaultFunctions = {
 		if (!isBinding(input_binding)) throw new Error("Invalid input binding")
 		return {
 			doNotAddParentesis: true,
-			value: bs(<`#${string}`>input_binding),
+			value: bs(<Binding>input_binding),
+		}
+	},
+
+	vs: input_variable => {
+		if (!isVariable(input_variable)) throw new Error("Invalid input binding")
+		return {
+			doNotAddParentesis: true,
+			value: vs(<Variable>input_variable),
 		}
 	},
 
diff --git a/src/components/Utils.ts b/src/components/Utils.ts
index 463412a..9af6086 100644
--- a/src/components/Utils.ts
+++ b/src/components/Utils.ts
@@ -235,13 +235,18 @@ export function bs(input: Binding): Binding {
 }
 
 export function vs(input: Variable): Variable {
-	if (isNotObfuscate) return input
+	let [name, mode]: [Variable, string] = input.split("|") as [Variable, string]
+	input = name
+	if (mode) mode = "|" + mode
+	else mode = ""
+
+	if (isNotObfuscate) return <Variable>`${name}${mode}`
 	else {
-		if (rndMap.has(input)) return <Variable>rndMap.get(input)
+		if (rndMap.has(input)) return <Variable>`${rndMap.get(input)}${mode}`
 		else {
 			const ret = RandomVariableBinding()
 			rndMap.set(input, ret)
-			return ret
+			return <Variable>`${ret}${mode}`
 		}
 	}
 }