# NCCEVN_CAPABILITY_UPDATE

Protocol capabilities changed.

#### State transition

None.

#### Associated function

Unsolicited

#### Fields

Field | Description
ctahd | Line handle (context handle).
value | Indicates the capability type that was changed.

#### Details

The application receives NCCEVN_CAPABILITY_UPDATE when the capabilities of a protocol change. The event value field indicates the capability that changed. The application can invoke nccQueryCapability to determine the current set of protocol capabilities.