chore: docs

README.md

@@ -154,14 +154,16 @@ The following properties are accepted:
   - _Type_: `string`
   - _Default value_: undefined
 
-  A name to use when displaying the function in the Netlify UI. Populates the `displayName` property in the functions manifest for the specified function.
+  A name to use when displaying the function in the Netlify UI. Populates the `displayName` property in the functions
+  manifest for the specified function.
 
 - `generator`
 
   - _Type_: `string`
   - _Default value_: undefined
 
-  A field to use if the function has been autogenerated by a plugin or integration. A recommended format is `@netlify/fake-plugin@1.0.0`, where adding the version is highly appreciated.
+  A field to use if the function has been autogenerated by a plugin or integration. A recommended format is
+  `@netlify/fake-plugin@1.0.0`, where adding the version is highly appreciated.
 
 #### `featureFlags`
 
@@ -172,8 +174,9 @@ See [feature flags](#feature-flags).
 - _Type_: `string`
 - _Default value_: `undefined`
 
-Defines the full path, including the file name, to use for the manifest file that will be created with the functions bundling results. For example, `path/to/manifest.json`. This file is a
-JSON-formatted string with the following properties:
+Defines the full path, including the file name, to use for the manifest file that will be created with the functions
+bundling results. For example, `path/to/manifest.json`. This file is a JSON-formatted string with the following
+properties:
 
 - `functions`: An array with the functions created, in the same format as returned by `zipFunctions`
 - `system.arch`: The operating system CPU architecture, as returned by
@@ -195,7 +198,9 @@ Maximum number of functions to bundle at the same time.
 - _Type_: `string`
 - _Default value_: `undefined`
 
-Defines the path to the folder with internal functions. Used to populate a function's `generator` property if `generator` is not configured in the function's config itself, if its path is within this specified internal functions folder.
+Defines the path to the folder with internal functions. Used to populate a function's `generator` property if
+`generator` is not configured in the function's config itself, if its path is within this specified internal functions
+folder.
 
 ### Return value
 
@@ -224,11 +229,14 @@ properties.
 
 - `displayName`: `string`
 
-  If there was a user-defined configuration object applied to the function, and it had a `name` defined. This will be returned here.
+  If there was a user-defined configuration object applied to the function, and it had a `name` defined. This will be
+  returned here.
 
 - `generator`: `string`
 
-  If there was a user-defined configuration object applied to the function, and it had `generator` defined. This will be returned here. If there was nothing defined, but an `internalSrcFolder` was passed and the function was defined in there, it will return a string to specify it was an internal function.
+  If there was a user-defined configuration object applied to the function, and it had `generator` defined. This will be
+  returned here. If there was nothing defined, but an `internalSrcFolder` was passed and the function was defined in
+  there, it will return a string to specify it was an internal function.
 
 Additionally, the following properties also exist for Node.js functions:
 
@@ -275,6 +283,16 @@ Additionally, the following properties also exist for Node.js functions:
   A list of Node modules that reference other files with a dynamic expression (e.g. `require(someFunction())` as opposed
   to `require('./some-file')`). This is an array containing the module names.
 
+- `runtimeAPIVersion` `number | undefined`
+
+  When a function with the new API will be detected this is set to `2`. Otherwise it is set to `1`. `undefined` is only
+  returned in case of an error.
+
+- `runtimeVersion` `string | undefined`
+
+  Which exact runtime this function should be using. (e.g. `nodejs18.x`). This value is detected based on the input
+  `nodeVersion`.
+
 ## zipFunction(srcPath, destFolder, options?)
 
 - `srcPath`: `string`
@@ -326,7 +344,8 @@ Each object has the following properties:
 
 - `displayName`: `string`
 
-  If there was a user-defined configuration object applied to the function, and it had a `name` defined. This will be returned here.
+  If there was a user-defined configuration object applied to the function, and it had a `name` defined. This will be
+  returned here.
 
 - `mainFile`: `string`
 
@@ -343,12 +362,13 @@ Each object has the following properties:
 
 - `generator`: `string`
 
-  If there was a user-defined configuration object applied to the function, and it had `generator` defined. This will be returned here.
+  If there was a user-defined configuration object applied to the function, and it had `generator` defined. This will be
+  returned here.
 
 ## listFunctionsFiles(srcFolders)
 
-Like [`listFunctions()`](#listfunctionssrcfolders-options), except it returns not only the Functions main files, but also all
-their required files. This is much slower.
+Like [`listFunctions()`](#listfunctionssrcfolders-options), except it returns not only the Functions main files, but
+also all their required files. This is much slower.
 
 ```js
 import { listFunctionsFiles } from '@netlify/zip-it-and-ship-it'