---
title: app function build
description: >-
  Compiles the function in your current directory to WebAssembly (Wasm) for
  testing purposes.
api_name: shopify-cli
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'
---

# 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:

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

  **string**

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

  The Client ID of your app.

* **--no-color**

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

  Disable color output.

* **--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.

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

  **string**

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

  The name of the app configuration.

Examples

### Examples

* #### app function build

  ##### app function build

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