A Workflow Engine function that returns true if the existing alert for a deduplicating event matches a SQL-like filter. Uses the evaluateFilter method in the CEvents API.
This function is available as a feature of the Workflow Engine v1.0 and later.
This function is available for event workflows only.
Back to Workflow Engine Functions Reference.
Workflow Engine function existingAlertFilter takes the following arguments:
Name | Required | Type | Description |
|---|---|---|---|
| Yes | String | SQL-like filter expression. Use single quotes around strings. For example: |
The following example demonstrates typical use of Workflow Engine function existingAlertFilter. If you want to verify if a deduplicating event has an agent_location value of "London", set the following:
filter: agent_location = 'London'
The UI translates your settings to the following JSON:
agent_location = 'London'Given an alert with the following signature:
"APPSERVER2002:APPLICATION:AVAILABILITY"An event with the following fields returns true:
"signature": "APPSERVER2002:APPLICATION:AVAILABILITY",
"agent_location": "London"An event with the following fields returns false:
"signature": "APPSERVER2002:APPLICATION:AVAILABILITY",
"agent_location": "SF"