addErrorHandler()
Mounts an error handling function, to be called when the messaging framework encounters an error.
Used within a JavaScript app uploaded as a static resource and referenced by lightning:container, this example mounts a message error handling function. In a React app, functions must be mounted to be part of the document-object model and rendered in the output.
| Name | Type | Description |
|---|---|---|
handler: (errorMsg: string) => void) | function | The function that handles error messages encountered in the messaging framework. |
None.