# Define a Value in an application **POST /groups/{groupId}/apps/{appId}/values** Define a [Value](https://www.mongodb.com/ko-kr/docs/atlas/app-services/values-and-secrets) in an application. ## Servers - The root API resource and starting point for the App Services API.: https://services.cloud.mongodb.com/api/admin/v3.0 (The root API resource and starting point for the App Services API.) ## Authentication methods - Token auth ## Parameters #### Path parameters - **groupId** (string) An Atlas [Project/Group ID](https://docs.atlas.mongodb.com/tutorial/manage-projects/). - **appId** (string) The ObjectID of your application. [The App Services API Project and Application IDs section](#section/Project-and-Application-IDs) demonstrates how to find this value. ## Body parameters Content-type: application/json The value to create. - **name** (string) - **private** (boolean) ## Responses ### 201: The [value](https://www.mongodb.com/ko-kr/docs/atlas/app-services/values-and-secrets) was successfully defined. #### Body Parameters: application/json (object) - **name** (string) - **private** (boolean) [Powered by Bump.sh](https://bump.sh)