> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cdp.coinbase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# OAuth2Authentication

> OAuth2Authentication API reference.

Package: [`com.coinbase.cdp.types`](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/index)

```java theme={null}
public final class OAuth2Authentication extends Object
```

## Method Details

### `getType`

```java theme={null}
public OAuth2ProviderType getType()
```

**Returns:**

[OAuth2ProviderType](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/OAuth2ProviderType)

### `getSub`

```java theme={null}
public String getSub()
```

**Returns:**

`String` - The unique identifier for the end user that is captured in the `sub` claim of the JWT.

### `getEmail`

```java theme={null}
public Optional<String> getEmail()
```

**Returns:**

`Optional<String>` - The email address of the end user contained within the user's ID token, if available from third-party OAuth2 provider's token exchange.

### `getName`

```java theme={null}
public Optional<String> getName()
```

**Returns:**

`Optional<String>` - The full name of the end user if available from third-party OAuth2 provider's token exchange.

### `getUsername`

```java theme={null}
public Optional<String> getUsername()
```

**Returns:**

`Optional<String>` - The username of the end user if available from third-party OAuth2 provider's token exchange.

### `equals`

```java theme={null}
public boolean equals(Object other)
```

**Overrides:**

`[equals](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals\(java.lang.Object\) "class or interface in java.lang")` in class `[Object](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html "class or interface in java.lang")`

**Parameters:**

`other` - `Object`

**Returns:**

`boolean`

### `getAdditionalProperties`

```java theme={null}
public Map<String,Object> getAdditionalProperties()
```

**Returns:**

`Map<String,Object>`

### `hashCode`

```java theme={null}
public int hashCode()
```

**Overrides:**

`[hashCode](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode\(\) "class or interface in java.lang")` in class `[Object](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html "class or interface in java.lang")`

**Returns:**

`int`

### `toString`

```java theme={null}
public String toString()
```

**Overrides:**

`[toString](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString\(\) "class or interface in java.lang")` in class `[Object](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html "class or interface in java.lang")`

**Returns:**

`String`

### `builder`

```java theme={null}
public static OAuth2Authentication.TypeStage builder()
```

**Returns:**

[OAuth2Authentication](/sdks/cdp-sdks-v2/java/com/coinbase/cdp/types/OAuth2Authentication).`TypeStage`