The logger event publisher logs the output events in XML, text, and JSON formats.
Creating a logger event publisher
For instructions on creating a logger event publisher, see Creating Alerts.
Configuring adapter properties
Specify the Dynamic Adapter Properties, when creating a logger event publisher using the management console as shown below.
After entering the above adapter properties, select the Message Format that you want to apply on the published events. Also, click Advanced to define custom output mappings based on the Message Format you selected. For more information on custom output mapping types, see Output Mapping Types.
You can also d efine the respective adapter properties of the event publisher based on the transport type within the <to> element of the event publisher configuration in the <PRODUCT_HOME>/repository/deployment/server/eventpublishers/ directory as follows.
<eventPublisher name="LoggerOutputEventAdapter" statistics="disable" trace="disable" xmlns="http://wso2.org/carbon/eventpublisher">
....................
<to eventAdapterType="logger">
<property name="uniqueId">log_id</property>
</to>
</eventPublisher>
The above adapter properties are described below.
| Adapter Property | Description | Configuration file property | Example |
|---|---|---|---|
| Unique Identifier | A string of characters to uniquely identify a log entry | uniqueId | log_id |
Related samples
For more information on logger event publisher type, see the following samples in WSO2 CEP Documentation.