editor.utility

Editor Utility Widget spawning/closing and Message Log retrieval

`editor.utility.runUtilityWidget`

Spawn and register an Editor Utility Widget from a blueprint asset.

Parameters:

Name	Type	Required	Description
`asset_path`	string	Yes	Path to EditorUtilityWidgetBlueprint (e.g. /Game/Tools/MyWidget.MyWidget)

Returns:

Name	Type	Description
`success`	boolean	Whether the widget was spawned
`tab_id`	string	The tab ID assigned (use for close/check)
`asset_path`	string	Echo of the asset path
`widget_class`	string	Runtime class name of the spawned widget

Example Request:

{
  "jsonrpc": "2.0",
  "method": "editor.utility.runUtilityWidget",
  "params": { "asset_path": "/Game/Tools/MyWidget.MyWidget" },
  "id": 1
}

Example Response:

{
  "jsonrpc": "2.0",
  "result": {
    "success": true,
    "tab_id": "MyWidget_0",
    "asset_path": "/Game/Tools/MyWidget.MyWidget",
    "widget_class": "MyWidget_C"
  },
  "id": 1
}

`editor.utility.getUtilityWidgets`

List all registered Editor Utility Widget tabs.

No parameters.

Returns:

Name	Type	Description
`widgets`	array	List of registered utility widget entries
`count`	number	Number of registered widgets

Each widget entry:

Name	Type	Description
`tab_id`	string	The tab ID
`asset_path`	string	Blueprint asset path
`display_name`	string	Display name
`is_open`	boolean	Whether the tab is currently open

Example Request:

{
  "jsonrpc": "2.0",
  "method": "editor.utility.getUtilityWidgets",
  "params": {},
  "id": 1
}

Example Response:

{
  "jsonrpc": "2.0",
  "result": {
    "widgets": [
      {
        "tab_id": "MyWidget_0",
        "asset_path": "/Game/Tools/MyWidget.MyWidget",
        "display_name": "MyWidget",
        "is_open": true
      }
    ],
    "count": 1
  },
  "id": 1
}

`editor.utility.closeUtilityWidget`

Close a running Editor Utility Widget tab by ID.

Parameters:

Name	Type	Required	Description
`tab_id`	string	Yes	The tab ID to close (from runUtilityWidget or getUtilityWidgets)

Returns:

Name	Type	Description
`success`	boolean	Whether the tab was closed
`tab_id`	string	Echo of the tab ID
`message`	string	Error message if tab not found

Example Request:

{
  "jsonrpc": "2.0",
  "method": "editor.utility.closeUtilityWidget",
  "params": { "tab_id": "MyWidget_0" },
  "id": 1
}

Example Response:

{
  "jsonrpc": "2.0",
  "result": { "success": true, "tab_id": "MyWidget_0" },
  "id": 1
}

`editor.utility.getNotifications`

Get recent messages from the editor's Message Log system.

Parameters:

Name	Type	Required	Description
`log_name`	string	No	Message log name (default: BlueprintLog). Common: MapCheck, AssetCheck, LoadErrors, PIE, LightingResults, PackagingResults
`max_count`	number	No	Maximum messages to return (default: 50, max: 500)

Returns:

Name	Type	Description
`log_name`	string	The log name queried
`messages`	array	List of message objects
`count`	number	Number of messages returned
`total`	number	Total messages in the log

Each message:

Name	Type	Description
`severity`	string	Error, Warning, PerformanceWarning, or Info
`message`	string	The message text
`identifier`	string	Optional message identifier

Example Request:

{
  "jsonrpc": "2.0",
  "method": "editor.utility.getNotifications",
  "params": { "log_name": "MapCheck", "max_count": 10 },
  "id": 1
}

Example Response:

{
  "jsonrpc": "2.0",
  "result": {
    "log_name": "MapCheck",
    "messages": [
      { "severity": "Warning", "message": "Maps need lighting rebuilt" }
    ],
    "count": 1,
    "total": 1
  },
  "id": 1
}