{
    "url": "/templates/{{parameters.template_id}}",
    "method": "PATCH",
    "body": {
        "name": "{{parameters.name}}",
        "subject": "{{parameters.subject}}",
        "body_html": "{{parameters.body_html}}",
        "body_plain": "{{parameters.body_plain}}"
    },
    "response": {
        "output": "{{body}}"
    }
}