autoUpdate (PrimeFaces VDL Documentation)

Description:

AutoUpdate is a TagHandler to mark the parent component to be updated at every AJAX request. AutoUpdate is ignored if the trigger (p:commandButton, p:ajax...) of AJAX request has the attribute ignoreAutoUpdate set to 'true'

Attributes
Name	Required	Type	Description
`disabled`	`false`	`jakarta.el.ValueExpression` (must evaluate to `java.lang.Boolean`)	If autoUpdate should be disabled.Default is false.
`on`	`false`	`jakarta.el.ValueExpression` (must evaluate to `java.lang.String`)	Defines the observer event, which will trigger the auto update.

primefaces