# EmitEventOnce Method
Emits an event with the given severity level, message, unique identifier, and method name one time.
## Definition
**Namespace:** CapyKit
**Assembly:** CapyKit (in CapyKit.dll) Version: 1.0.0
**C#**
``` C#
internal static void EmitEventOnce(
EventLevel eventLevel,
string message,
string uniqueIdentifier,
string method = null,
params Object[] args
)
```
**F#**
``` F#
internal static member EmitEventOnce :
eventLevel : EventLevel *
message : string *
uniqueIdentifier : string *
?method : string *
args : Object[]
(* Defaults:
let _method = defaultArg method null
*)
-> unit
```
#### Parameters
- EventLevel
- The severity level of the event.
- String
- The message describing the reason for the event. String formatting for args is accepted.
- String
- A unique identifier for the event emission.
- String (Optional)
- (Optional) The name of the method where the event was raised.
- Object[]
- A variable-length parameters list containing arguments for formatting the message.
## Remarks
This method is similar to [!:EmitEvent(EventLevel, string, string, string, object[])] , but requires a unique identifier (such as a Guid) to prevent duplicate emissions.
## See Also
#### Reference
CapyEventReporter Class
CapyKit Namespace
CallerMemberNameAttribute
Guid