Google tag (gtag.js) parameter reference

The following table describes the parameters you can configure using the config command, set using the set command, or pass using the event command.

For more information on product-specific parameters, refer to the corresponding documentation:

• Google Ads conversions
• Google Ads remarketing
• Campaign Manager and Search Ads 360
• Google Analytics

Control parameters

Parameter	Value type	Example value	Description
groups	string or array of strings	'default,vendors'	Used by the config command to assign a target to one or more groups.
send_to	string or array of strings	'G-XXXXXX'	Sets the target account/property that is to receive the event data.
event_callback	function	function() { form.submit(); }	JavaScript callback function called when processing of an event command has completed.
event_timeout	integer	2000	Timeout used for event_callback in milliseconds.