diff --git a/packages/destinations/node/meta/src/__tests__/index.test.ts b/packages/destinations/node/meta/src/__tests__/index.test.ts
index e826fc7a..7aed13f6 100644
--- a/packages/destinations/node/meta/src/__tests__/index.test.ts
+++ b/packages/destinations/node/meta/src/__tests__/index.test.ts
@@ -164,6 +164,7 @@ describe('Node Destination Meta', () => {
   test('Mapping', async () => {
     event.data.total = 42;
     const custom: CustomEventConfig = {
+      currency: { default: 'EUR' },
       value: 'data.total',
     };
 
@@ -173,6 +174,7 @@ describe('Node Destination Meta', () => {
 
     expect(custom_data).toEqual(
       expect.objectContaining({
+        currency: 'EUR',
         value: 42,
       }),
     );
diff --git a/packages/destinations/node/meta/src/push.ts b/packages/destinations/node/meta/src/push.ts
index c2353771..d22c725b 100644
--- a/packages/destinations/node/meta/src/push.ts
+++ b/packages/destinations/node/meta/src/push.ts
@@ -48,7 +48,7 @@ export const mapEvent = (
 ): ServerEvent => {
   mapping; // @TODO
   const { data, user, source } = event;
-  const { value } = mapping.custom || {};
+  const { currency, value } = mapping.custom || {};
 
   let userData = new UserData();
   if (user) {
@@ -71,12 +71,17 @@ export const mapEvent = (
   }
 
   const customData = new CustomData();
+
+  // Currency
+  const currencyParams = currency && getMappingValue(event, currency);
+  if (currencyParams) customData.setCurrency(String(currencyParams));
+
+  // Value
   const valueParams = value && getMappingValue(event, value);
   if (valueParams) customData.setValue(parseFloat(String(valueParams)));
 
   // const content = new Content().setId('product123').setQuantity(1); // @TODO
   // .setContents([content])
-  // .setCurrency('usd') // @TODO
 
   const timestamp = Math.floor(
     (event.timestamp || new Date().getTime()) / 1000,
diff --git a/packages/destinations/node/meta/src/types/index.ts b/packages/destinations/node/meta/src/types/index.ts
index 09dff26d..32e62de7 100644
--- a/packages/destinations/node/meta/src/types/index.ts
+++ b/packages/destinations/node/meta/src/types/index.ts
@@ -32,5 +32,6 @@ export interface CustomConfig {
 
 export interface CustomEventConfig {
   // Custom destination event mapping properties
+  currency?: WalkerOS.MappingValue;
   value?: WalkerOS.MappingValue;
 }
diff --git a/packages/types/src/walkeros.ts b/packages/types/src/walkeros.ts
index f8e0fe2b..a23881a5 100644
--- a/packages/types/src/walkeros.ts
+++ b/packages/types/src/walkeros.ts
@@ -183,7 +183,7 @@ export interface Entity {
 
 export type MappingValue = string | MappingValueObject;
 export interface MappingValueObject {
-  key: string;
+  key?: string;
   default?: PropertyType;
   // consent?: string | Array<string>;
 }
diff --git a/packages/utils/src/core/mapping.ts b/packages/utils/src/core/mapping.ts
index f23cb865..0fce6f74 100644
--- a/packages/utils/src/core/mapping.ts
+++ b/packages/utils/src/core/mapping.ts
@@ -2,7 +2,7 @@ import type { WalkerOS } from '@elbwalker/types';
 import { castToProperty, getByStringDot } from '.';
 
 interface MappingObject {
-  key: string;
+  key?: string;
   defaultValue?: WalkerOS.PropertyType;
 }
 
@@ -11,14 +11,14 @@ export function getMappingValue(
   mapping: WalkerOS.MappingValue,
 ): WalkerOS.Property | undefined {
   const obj = getMappingObject(mapping);
-  const value = castToProperty(
-    getByStringDot(event, obj.key, obj.defaultValue),
-  );
-  return value;
+  if (obj.key)
+    return castToProperty(getByStringDot(event, obj.key, obj.defaultValue));
+
+  return obj.defaultValue;
 }
 
 function getMappingObject(param: WalkerOS.MappingValue): MappingObject {
-  let key: string;
+  let key: string | undefined;
   let defaultValue: WalkerOS.PropertyType | undefined;
 
   if (typeof param == 'string') {