EQL pipe referenceedit

This functionality is in technical preview and may be changed or removed in a future release. Elastic will apply best effort to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.

Elasticsearch supports the following EQL pipes.

headedit

Returns up to a specified number of events or sequences, starting with the earliest matches. Works similarly to the Unix head command.

Example

The following EQL query returns up to three of the earliest powershell commands.

process where process.name == "powershell.exe"
| head 3

Syntax

head <max>

Parameters

<max>
(Required, integer) Maximum number of matching events or sequences to return.

tailedit

Returns up to a specified number of events or sequences, starting with the most recent matches. Works similarly to the Unix tail command.

Example

The following EQL query returns up to five of the most recent svchost.exe processes.

process where process.name == "svchost.exe"
| tail 5

Syntax

tail <max>

Parameters

<max>
(Required, integer) Maximum number of matching events or sequences to return.