ECS Field Reference
Base
ECS Version:

Base

All fields defined directly at the root of the events.

Fields

Field Summary

FieldTypeLevelDescription
@timestampdateCoreDate/time when the event originated.
labelsobjectCoreCustom key/value pairs.
messagematch_only_textCoreLog message optimized for viewing in a log viewer.
tagskeywordCoreList of keywords used to tag each event.

Field Details

@timestamp

Type: date

Level: Core

Description: Date/time when the event originated.

Example: 2016-05-23T08:05:34.853Z

Indexed: true

labels

Type: object

Level: Core

Description: Custom key/value pairs.

Example: {"application": "foo-bar", "env": "production"}

Indexed: true

message

Type: match_only_text

Level: Core

Description: Log message optimized for viewing in a log viewer.

Example: Hello World

Indexed: true

tags

Type: keyword

Level: Core

Description: List of keywords used to tag each event.

Example: ["production", "env2"]

Normalization: array

Indexed: true