KafkaAboutToProduceMessageCb Property
General info
Label |
Preprocess Callback |
Description |
Enter script for custom preprocessing of values for outgoing kafka messages. |
Data type |
String |
Default value |
"return function(item_numid, v, q, t) end" |
Type |
Regular |
Code |
13141 |
Symbolic name |
MODEL_PROP_KAFKAABOUTTOPRODUCEMESSAGECB |
Lua access code |
syslib.model.properties.KafkaAboutToProduceMessageCb |
Available since |
1.84 |
- Parent properties
Attributes
| Name | Tooltip |
|---|---|
| PROP_CONFIGURABLE | The property is configurable and can be changed with DataStudio and the various inmation APIs. |
| PROP_VISIBLE | The property is visible in DataStudio and can be read by the inmation APIs. |
| PROP_HAS_DEFAULT | The property has a default value as standard. |
Examples
Read from or write to the KafkaAboutToProduceMessageCb property.
-- Read from the KafkaAboutToProduceMessageCb
syslib.getvalue("<OBJECT FULL PATH>.KafkaIOItemProducerProperties.KafkaAboutToProduceMessageCb")
-- Write to the KafkaAboutToProduceMessageCb
syslib.setvalue("<OBJECT FULL PATH>.KafkaIOItemProducerProperties.KafkaAboutToProduceMessageCb", "return function(item_numid, v, q, t) end")
TcpConfig tcpcfg = new TcpConfig() { HostNameOrIp = "localhost", Port = 6512 };
SecurityCredentials sc = new SecurityCredentials() { ProfileName = "<username>", Password = "<password>" };
StatelessInterface sli = new StatelessInterface(tcpcfg);
// Read from the KafkaAboutToProduceMessageCb
Result result = sli.ReadValue(sc, new ReadItem("<OBJECT FULL PATH>.KafkaIOItemProducerProperties.KafkaAboutToProduceMessageCb"));
// Write to the KafkaAboutToProduceMessageCb
Result result = sli.WriteValue(sc, new WriteItem("return function(item_numid, v, q, t) end", "<OBJECT FULL PATH>.KafkaIOItemProducerProperties.KafkaAboutToProduceMessageCb"));