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Event reporter
Event Reporter is used for reporting Flow and Map execution events. Event Reporter enables HCL Link runtime to report Flow and Map events to Elasticsearch. Events will be reported only if the Event Reporter feature is installed and configured.
Configuration
To configure Link runtime to send events to Event Reporter, specify the Event Reporter host and port during windows installation time. The Event Reporter will start automatically on the Link local host using IP address 127.0.0.1, and listen for the Flow and Map events on the specified port.
Configuring Event Reporter

Configuring Event Reporter

Configure the Event Reporter by setting these parameters:

LISTENING_PORT - The port Event Reporter uses to accept connections.
TARGET_TYPE:
- stdout - Sends event messages to standard output.
- file - Sends event messages to file specified by OUTPUT_FILE.
- elasticsearch - Sends event messages to an elasticsearch server specified by ELASTICSEARCH_HOST.

ELASTICSEARCH_HOST.x - The ip address of your elasticsearch server.
ELASTICSEARCH_PORT.x - The port used by your elasticsearch server.
Where .x is used to indicate any number of servers.
For example:
ELASTICSEARCH_HOST.1
ELASTICSEARCH_HOST.2

ELASTICSEARCH_ROLLING_INDEX - Specify how often Elasticsearch indexes are created.