Project: /docs/reference/js/_project.yaml
Book: /docs/reference/_book.yaml
page_type: reference
{% comment %}
DO NOT EDIT THIS FILE!
This is generated by the JS SDK team, and any local changes will be
overwritten. Changes should be made in the source code at
https://github.com/firebase/firebase-js-sdk
{% endcomment %}
# ActionCodeURL class
A utility class to parse email action URLs such as password reset, email verification, email link sign in, etc.
The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `ActionCodeURL` class.
Signature:
```typescript
export declare class ActionCodeURL
```
## Properties
| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [apiKey](./auth.actioncodeurl.md#actioncodeurlapikey) | | string | The API key of the email action link. |
| [code](./auth.actioncodeurl.md#actioncodeurlcode) | | string | The action code of the email action link. |
| [continueUrl](./auth.actioncodeurl.md#actioncodeurlcontinueurl) | | string \| null | The continue URL of the email action link. Null if not provided. |
| [languageCode](./auth.actioncodeurl.md#actioncodeurllanguagecode) | | string \| null | The language code of the email action link. Null if not provided. |
| [operation](./auth.actioncodeurl.md#actioncodeurloperation) | | string | The action performed by the email action link. It returns from one of the types from [ActionCodeInfo](./auth.actioncodeinfo.md#actioncodeinfo_interface) |
| [tenantId](./auth.actioncodeurl.md#actioncodeurltenantid) | | string \| null | The tenant ID of the email action link. Null if the email action is from the parent project. |
## Methods
| Method | Modifiers | Description |
| --- | --- | --- |
| [parseLink(link)](./auth.actioncodeurl.md#actioncodeurlparselink) | static | Parses the email action link string and returns an [ActionCodeURL](./auth.actioncodeurl.md#actioncodeurl_class) if the link is valid, otherwise returns null. |
## ActionCodeURL.apiKey
The API key of the email action link.
Signature:
```typescript
readonly apiKey: string;
```
## ActionCodeURL.code
The action code of the email action link.
Signature:
```typescript
readonly code: string;
```
## ActionCodeURL.continueUrl
The continue URL of the email action link. Null if not provided.
Signature:
```typescript
readonly continueUrl: string | null;
```
## ActionCodeURL.languageCode
The language code of the email action link. Null if not provided.
Signature:
```typescript
readonly languageCode: string | null;
```
## ActionCodeURL.operation
The action performed by the email action link. It returns from one of the types from [ActionCodeInfo](./auth.actioncodeinfo.md#actioncodeinfo_interface)
Signature:
```typescript
readonly operation: string;
```
## ActionCodeURL.tenantId
The tenant ID of the email action link. Null if the email action is from the parent project.
Signature:
```typescript
readonly tenantId: string | null;
```
## ActionCodeURL.parseLink()
Parses the email action link string and returns an [ActionCodeURL](./auth.actioncodeurl.md#actioncodeurl_class) if the link is valid, otherwise returns null.
Signature:
```typescript
static parseLink(link: string): ActionCodeURL | null;
```
#### Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| link | string | The email action link string. |
Returns:
[ActionCodeURL](./auth.actioncodeurl.md#actioncodeurl_class) \| null
The [ActionCodeURL](./auth.actioncodeurl.md#actioncodeurl_class) object, or null if the link is invalid.