```
public interface ExternalIdentityConstants
```
Constants used by the external identity management.

Since:

Oak 1.5.3

Field Summary

Fields
Modifier and Type	Field	Description
`static boolean`	`DEFAULT_PROTECT_EXTERNAL_IDS`	Default value for `PARAM_PROTECT_EXTERNAL_IDS`.
`static String`	`PARAM_PROTECT_EXTERNAL_IDS`	Configuration parameter to enable special protection of external IDs
`static String`	`REP_EXTERNAL_ID`	Name of the property storing the external identifier.
`static String`	`REP_EXTERNAL_PRINCIPAL_NAMES`	Name of the property storing the principal names of the external groups a given external identity (user) is member.
`static String`	`REP_LAST_SYNCED`	Name of the property storing the date of the last synchronization of an external identity.
`static Set<String>`	`RESERVED_PROPERTY_NAMES`	The set of served property names defined by this interface.

- Field Detail
  - REP_EXTERNAL_ID
```
static final String REP_EXTERNAL_ID
```
    Name of the property storing the external identifier. This property is of type Type.STRING and mandatory for external identities that have been synchronized into the repository.
    
    See Also:
    
    DefaultSyncContext.REP_EXTERNAL_ID, Constant Field Values
  - REP_LAST_SYNCED
```
static final String REP_LAST_SYNCED
```
    Name of the property storing the date of the last synchronization of an external identity. This property is of type Type.DATE
    
    See Also:
    
    DefaultSyncContext.REP_LAST_SYNCED, Constant Field Values
  - REP_EXTERNAL_PRINCIPAL_NAMES
```
static final String REP_EXTERNAL_PRINCIPAL_NAMES
```
    Name of the property storing the principal names of the external groups a given external identity (user) is member. Not that the set depends on the configured nesting depth. The existence of this property is optional and will only be created if DefaultSyncConfig.User.getDynamicMembership() is turned on. This property is of type Type.STRINGS. Please note, that for security reasons is system maintained and protected on the Oak level and cannot be manipulated by regular ContentSession objects irrespective of the effective permissions.
    
    See Also:
    
    Constant Field Values
  - RESERVED_PROPERTY_NAMES
```
static final Set<String> RESERVED_PROPERTY_NAMES
```
    The set of served property names defined by this interface.
  - PARAM_PROTECT_EXTERNAL_IDS
```
static final String PARAM_PROTECT_EXTERNAL_IDS
```
    Configuration parameter to enable special protection of external IDs
    
    See Also:
    
    OAK-4301, Constant Field Values
  - DEFAULT_PROTECT_EXTERNAL_IDS
```
static final boolean DEFAULT_PROTECT_EXTERNAL_IDS
```
    Default value for PARAM_PROTECT_EXTERNAL_IDS.
    
    See Also:
    
    Constant Field Values

Interface ExternalIdentityConstants

Field Summary

Field Detail

REP_EXTERNAL_ID

REP_LAST_SYNCED

REP_EXTERNAL_PRINCIPAL_NAMES

RESERVED_PROPERTY_NAMES

PARAM_PROTECT_EXTERNAL_IDS

DEFAULT_PROTECT_EXTERNAL_IDS