Update Date Field using HTTP target

HTTP_target_setting.js

// TARGET SETTINGS
https://DOMAIN.zendesk.com/api/v2/tickets/update_many.json
PUT
JSON
Basic Authentication - Enabled (email/token + API token)

// PAYLOAD (IN TRIGGER)
{
  "tickets": [
      { "id": {{ticket.id}},
        "custom_fields": [
            {"id": 22801726, "value": "{{ticket.updated_at|date:'%Y-%m-%d'}}"}
        ]
      }
  ]
}