Attribute	Name	Type	Mandatory	Description	Sample	Questions
Identifier	id	UUID	Yes	Event unique identifier
Group	group	String	Yes	Group is used to combine entries from a particular functional area	Circulation, Acquisition	Do we need such grouping?
Entity type	entityType	String	Yes	Entity type to which audit log entry relates to	Order
Entity identifier	entityId	UUID	Yes	Entity identifier to which audit log entry relates to
Event type	event	String	Yes	Log entry event type. Determines what happened with the entity	Created	Specific for entity type or uniformed? Do we need 2 separate eventtypes - crud and specific
User name	user	String	Yes	User who initiated related action		Is it possible that user is missing?
Timestamp	date	Timestamp	Yes	Event date time
Description	description	String	Yes	Human readable description
Custom event details	details	Object	No	Custom event description	{ "items": [ { "itemId": "1", "loanId": "2", "holdingId": 3", "instanceId": "4", "itemBarcode": "5" } ] }	If it's postgres, should we use jsonb?
Request id of the initiated action	requestId	UUID	Yes	Action request id
Span id of the initiated action	spanId	UUID	Yes	Action span id

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