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Google tag (gtag.js) parameter reference

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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.