---
title: "Trail"
description: "every access and every administrator's change, with the hash chain over it"
section: concepts
address: /concepts/trail
contract: 0476e35e6e275db5
---

# Trail

every access and every administrator's change, with the hash chain over it

[figure: Trail is a view at platform scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | view |
| scope | platform |
| key | the tenant, or the platform |
| store | derived |
| family | operations |



## Fields


| field | type | required | note |
|---|---|---|---|
| `owner` | `one of a tenant \| the platform` | yes |  |
| `entries` | [Event](/concepts/event) | yes |  |
| `chain_hash` | `hash` | yes |  |
| `proved_whole_at` | `time` | no |  |



## Routes that use it
No route takes or returns Trail directly. The record holds it, and the objects that point at it reach it.