Description of a declarative rule for handling events.


Values of this type are objects. They contain the following properties:

id Optional

string. Optional identifier that allows referencing this rule.

tags Optional

array of string. Tags can be used to annotate rules and perform operations on sets of rules.


array of any. List of conditions that can trigger the actions.


array of any. List of actions that are triggered if one of the conditions is fulfilled.

priority Optional

integer. Optional priority of this rule. Defaults to 100.

Browser compatibility

BCD tables only load in the browser

Note: This API is based on Chromium's API. This documentation is derived from events.json in the Chromium code.