# Class yii\rbac\Assignment

Inheritance | yii\rbac\Assignment » yii\base\BaseObject
Implements | yii\base\Configurable
Available since version | 2.0
Source Code | https://github.com/yiisoft/yii2/blob/master/framework/rbac/Assignment.php

Assignment represents an assignment of a role to a user.

For more details and usage information on Assignment, see the guide article on security authorization.

## Public Properties

Hide inherited properties

Property | Type | Description | Defined By
--- | --- | --- | ---
$createdAt | integer | UNIX timestamp representing the assignment creation time | yii\rbac\Assignment
$roleName | string | The role name | yii\rbac\Assignment
$userId | string|integer | User ID (see yii\web\User::$id) | yii\rbac\Assignment

## Public Methods

Hide inherited methods

Method | Description | Defined By
--- | --- | ---
__call() | Calls the named method which is not a class method. | yii\base\BaseObject
__construct() | Constructor. | yii\base\BaseObject
__get() | Returns the value of an object property. | yii\base\BaseObject
__isset() | Checks if a property is set, i.e. defined and not null. | yii\base\BaseObject
__set() | Sets value of an object property. | yii\base\BaseObject
__unset() | Sets an object property to null. | yii\base\BaseObject
canGetProperty() | Returns a value indicating whether a property can be read. | yii\base\BaseObject
canSetProperty() | Returns a value indicating whether a property can be set. | yii\base\BaseObject
className() | Returns the fully qualified name of this class. | yii\base\BaseObject
hasMethod() | Returns a value indicating whether a method is defined. | yii\base\BaseObject
hasProperty() | Returns a value indicating whether a property is defined. | yii\base\BaseObject
init() | Initializes the object. | yii\base\BaseObject

## Property Details

$createdAt public property

UNIX timestamp representing the assignment creation time

public integer $createdAt = null
$roleName public property

The role name

public string $roleName = null
$userId public property

User ID (see yii\web\User::$id)

public string|integer $userId = null