---
title: app function build
description: >-
  Compiles the function in your current directory to WebAssembly (Wasm) for
  testing purposes.
source_url:
  html: 'https://shopify.dev/docs/api/shopify-cli/app/app-function-build'
  md: 'https://shopify.dev/docs/api/shopify-cli/app/app-function-build.md'
api_name: shopify-cli
---

# app function build

Compiles the function in your current directory to WebAssembly (Wasm) for testing purposes.

#### Flags

The following flags are available for the `app function build` command:

* **--auth-alias \<value>**

  **string**

  **env: SHOPIFY\_FLAG\_AUTH\_ALIAS**

  Alias of the Shopify account to use for authentication.

* **--client-id \<value>**

  **string**

  **env: SHOPIFY\_FLAG\_CLIENT\_ID**

  The Client ID of your app.

* **--json-schema**

  **env: SHOPIFY\_FLAG\_JSON\_SCHEMA**

  Print the command's JSON schemas.

* **--no-color**

  **env: SHOPIFY\_FLAG\_NO\_COLOR**

  Disable color output.

* **--no-input**

  **env: SHOPIFY\_FLAG\_NO\_INPUT**

  Disable interactive prompts and browser authentication.

* **--path \<value>**

  **string**

  **env: SHOPIFY\_FLAG\_PATH**

  The path to your function directory.

* **--reset**

  **env: SHOPIFY\_FLAG\_RESET**

  Reset all your settings.

* **--verbose**

  **env: SHOPIFY\_FLAG\_VERBOSE**

  Increase the verbosity of the output. May include sensitive data.

* **-c, --config \<value>**

  **string**

  **env: SHOPIFY\_FLAG\_APP\_CONFIG**

  The name of the app configuration.

### Examples

* #### App function build

  ##### app function build

  ```sh
  shopify app function build [flags]
  ```

***