UserGroupCallback (KIE :: Public API 8.28.0.Beta API)

```
public interface UserGroupCallback
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`existsGroup(String groupId)`	Resolves existence of group id.
`boolean`	`existsUser(String userId)`	Resolves existence of user id.
`List<String>`	`getGroupsForUser(String userId)`	Returns list of group ids for specified user id.

- Method Detail
  - existsUser
```
boolean existsUser(String userId)
```
    Resolves existence of user id.
    
    Parameters:
    
    userId - the user id assigned to the task
    
    Returns:
    
    true if userId exists, false otherwise.
  - existsGroup
```
boolean existsGroup(String groupId)
```
    Resolves existence of group id.
    
    Parameters:
    
    groupId - the group id assigned to the task
    
    Returns:
    
    true if groupId exists, false otherwise.
  - getGroupsForUser
```
List<String> getGroupsForUser(String userId)
```
    Returns list of group ids for specified user id.
    
    Parameters:
    
    userId - the user id assigned to the task
    
    Returns:
    
    List of group ids.