add() public abstract method
Adds a role, permission or rule to the RBAC system.
| public abstract boolean add ( $object ) | ||
|---|---|---|
| $object | yii\rbac\Role|yii\rbac\Permission|yii\rbac\Rule | |
| return | boolean | 
 Whether the role, permission or rule is successfully added to the system  |  
| throws | Exception | 
 if data validation or saving fails (such as the name of the role or permission is not unique)  |  
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