OpenSearch/docs/en/watcher/java/execute-watch.asciidoc

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[[api-java-execute-watch]]
=== Execute Watch API
This API enables on-demand execution of a watch stored in the `.watches` index.
It can be used to test a watch without executing all its actions or by ignoring
its condition. The response contains a `BytesReference` that represents the
record that would be written to the `.watcher-history` index.
The following example executes a watch with the name `my-watch`
[source,java]
--------------------------------------------------
ExecuteWatchResponse executeWatchResponse = watcherClient.prepareExecuteWatch("my-watch")
// execute the actions, ignoring the watch condition
.setIgnoreCondition(true)
// A map containing alternative input to use instead of the output of
// the watch's input
.setAlternativeInput(new HashMap<String, Object>())
// Trigger data to use (Note that "scheduled_time" is not provided to the
// ctx.trigger by this execution method so you may want to include it here)
.setTriggerData(new HashMap<String, Object>())
// Simulating the "email_admin" action while ignoring its throttle state. Use
// "_all" to set the action execution mode to all actions
.setActionMode("_all", ActionExecutionMode.FORCE_SIMULATE)
// If the execution of this watch should be written to the `.watcher-history`
// index and reflected in the persisted Watch
.setRecordExecution(false)
// Indicates whether the watch should execute in debug mode. In debug mode the
// returned watch record will hold the execution vars
.setDebug(true)
.get();
--------------------------------------------------
Once the response is returned, you can explore it by getting execution record
source:
TIP: The `XContentSource` class provides convenient methods to explore the
source
[source,java]
--------------------------------------------------
XContentSource source = executeWatchResponse.getRecordSource();
String actionId = source.getValue("result.actions.0.id");
--------------------------------------------------