IOperationServiceAddErrorMessage Method

void AddErrorMessage(
	string message,
	string sender,
	TimeSpan? timeout = null
)

Parameters

message  String

The message text.

sender  String

The message sender.

timeout  NullableTimeSpan  (Optional)

The message display timeout. If null, message will be shown until user manually closes it, else message will be automatically closed after the specified amount of time.

Reference