Remove

Remove (remove)

Remove fields from an event.

Transform json

Minimal example

actions:
  - remove:
      fields: []

JSON

{
  "actions": [
    {
      "remove": {
        "fields": []
      }
    }
  ]
}

Contents

• Minimal example

• Fields

• General

• Warnings

A ✓ marks a field that accepts a context variable such as {{ VARIABLE }}.

Fields

Fields

Field	Type	Required	Description
fields	string[]	✅	The list of fields that should be removed if present May contain a wildcard ‘’ at the end (like ‘flag’).
remove-on-regex-mismatch ✓	boolean (bool)		Controls how regex-fields behaves: * false (default) → delete the fields whose names match any regex. * true → delete the fields whose names do not match any regex. If no regex matches at all, every top-level field is removed. This is useful when upstream systems must never see unexpected keys. Default: false
regex-fields	regex[] (string)		An array of regular expression used to match field names. Examples: \d+[A-Z]*

General

General

Field	Type	Required	Description
description	string		describe this step.
condition	lua-expression (string)		Only run this action if the specified condition is met. Examples: 2 * count()

Warnings

Warnings

Field	Type	Required	Description
suppress-warnings ✓	boolean (bool)		Suppress warnings generated by this action. Default: false