# oamAlertRegister

Registers a client application to receive NMS OAM alert events.

#### Prototype

DWORD oamAlertRegister ( CTAHD ctahd )

Argument | Description
ctahd | [in] Context handle.

#### Return values

Return value | Description
SUCCESS |
OAMERR_ALREADY_EXISTS | Already registered.
OAMERR_NOT_ENOUGH_MEMORY | Memory allocation error.

#### Details

If an application attempts to register a shared context using oamAlertRegister, and another application has already registered the context, OAMERR_ALREADY_EXISTS is returned.

For more information, see Receiving NMS OAM alert notifications.

#### See also

oamAlertNotify, oamAlertUnregister