Developing Apama Applications > Developing Apama Applications in EPL > Making Application Data Available to Clients > Creating DataView definitions > DataViewException
DataViewException
Syntax
event DataViewException {
   string msgId;
   string dvName;
   wildcard string message;
   dictionary<string, string> extraParams;
}
These events occur under exceptional circumstances in response to DataViewAddDefinition or DataViewDeleteDefinition events, or any circumstance under which a DataView cannot be identified.
Syntax description
msgId
ID of the message to which this is a response.
dvName
Unique name of the DataView specified in the event to which this is a response.
message
Message in this exception. This is designed to be human readable, and may change between implementations or versions, hence the wildcard specification.
extraParams
Optional field that future implementations may use.
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