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:

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.