WEBVTT

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The audit journal is the system's memory. Every sale, every discount, every price

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change, and every sign-in action is written down. In this episode we find out who

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did what, and how to be sure that nobody changed the record.

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Scroll the menu on the left, and open Audit journal.

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The page says that the journal is append only. That means entries are only ever

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added, and never edited or deleted.

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Each row is one thing that happened, newest first. You see its sequence number, the

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time, the action, who did it, and who approved it, if a manager had to. Then the

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register, and the source, which is either a POS register, or the server.

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Click a row to open it. We pick a completed sale.

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The side panel shows the time on the register's clock, and the time the server

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received it. They differ when a register sells offline. Below are the user, the

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register, the entity, and the data of the entry, such as the receipt number and the

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total.

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Two buttons jump to the sale itself, or to every entry for that sale. At the bottom

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is a hash, a long fingerprint of this entry. We come back to it in a moment. Close

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the panel.

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There are many entries, so use the filters. You can filter by date, staff member,

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register, outlet, the kind of action, and the source. Let's look at the actions.

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The actions are grouped. Cart, sales, payments, the cash drawer, price changes,

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offline periods, shifts, reprinted receipts, and more. Choose Sales.

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Now only the sales are listed. Next, the staff filter. We choose Casey Cashier, to

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see what one person did.

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You can also type words in the search box, or paste a sale id into the next box, to

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follow one sale from the first item to the payment. The View audit trail button on a

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sale does exactly that.

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How do you know that nobody has changed the journal? Tap Verify integrity.

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The system recomputes the whole chain. Every entry stores a fingerprint of its

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contents plus the fingerprint of the entry before it. Change or remove any past

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entry, and the chain breaks from that point on. Here, every entry matches.

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The information button next to Refresh explains how the journal works, in more

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detail.

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And Export CSV saves what you see as a spreadsheet, for your accountant or an

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investigator.

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That is the audit log. In the next episode, we use it to watch for voids, refunds

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and overrides, and look at sales that were rung up offline.