trigger_payload | object or string | Yes | - | Full Trigger resource (object or JSON string) matching the Google Tag Manager API v2 Trigger spec. Must include name and type (e.g. pageview, customEvent, click, linkClick, formSubmission); other fields like customEventFilter, filter, and waitForTags follow the spec. You can copy a trigger from gtm_list_triggers and edit it (read-only fields are stripped automatically). Example custom event trigger: {“name”: “CE - purchase”, “type”: “customEvent”, “customEventFilter”: [{“type”: “equals”, “parameter”: [{“type”: “template”, “key”: “arg0”, “value”: ”{{_event}}”}, {“type”: “template”, “key”: “arg1”, “value”: “purchase”}]}]} |