How to view event history
Event history helps you understand what happened, for which object, and how the system responded.
To view the event history:
1. Go to Algorithms in the top menu and open the History tab
2. Select a date or date range and click Search — a list of events will appear below
If you need to save the history to files, use the buttons:
If you want to display only unprocessed events, enable the Unprocessed checkbox.
3. Click the arrow 
next to an event to view its details.
next to an event to view its details.
Each event shows:
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Event date and time
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Object the event occurred for
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Group the event belongs to
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Event text
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Operator — the user who processed or confirmed the event
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Processing date — when the operator actually processed the event
Algorithm diagram
On the right side of the event list, you will see the diagram of the algorithm that was executed for the selected event.
The diagram shows:
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Algorithm blocks — the steps performed by the system
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Algorithm branches — possible scenario paths
The diagram helps you understand which steps the system executed and which path the algorithm followed while processing the event.
Example of an algorithm diagram
This algorithm includes the following blocks:
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Start — the beginning of the algorithm, the moment the event occurs
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Condition — a condition check (for example: “speed > 90 km/h for more than 10 seconds”)
From the condition, two branches are possible:
Yes — the condition is met
No — the condition is not met
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Text / Command blocks — system actions
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End — completion of event processingThe blue line shows the path the algorithm actually followed (for example: Start → Condition → Yes → Text → End).The gray lines show branches that were not triggered for this event.