# Item Actions, Metadata Schemas & Images

# Item Actions, Metadata Schemas & Images

Presentation and action extension points.

**Applies to:** `Nord Inventory v2.0.0`

```text
RegisterItemAction(itemName, action)
UnregisterItemAction(itemName, actionId)
RegisterMetadataSchema(itemName, schema, display)
UnregisterMetadataSchema(itemName)
RegisterItemImage(sourcePath, targetName)
GetItemActions(itemName)
GetMetadataSchema(itemName)
```

A schema describes expected/display metadata; it does not make client-provided metadata trustworthy. Validate business rules on the server.