Merge pull request #1241 from appwrite/docs-dynamic-api-keys

Docs: Dynamic API keys

src/routes/docs/products/functions/develop/+page.markdoc

@@ -1541,6 +1541,8 @@ Dynamic API keys are the same as [API keys](/docs/advanced/platform/api-keys) bu
 They are generated in your functions per execution.
 However, you can only use dynamic API keys inside Appwrite functions.
 
+During the build process, dynamic API keys are automatically provided as the environment variable `APPWRITE_FUNCTION_API_KEY`. This environment variable doesn't need to be initialized.
+
 Dynamic API keys grant access and operate without sessions.
 They allow your function to act as an admin-type role instead of acting on behalf of a user.
 Update the function settings to configure the scopes of the function.