$session→warning()

Queue a warning to appear the next pageview

// basic usage
$session->warning(string $text);

// usage with all arguments
$session->warning(string $text, int $flags = 0);

Name	Type(s)	Description
`$text`	`string`	Warning to queue
`$flags` (optional)	`int`	See Notice::flags

$this

Object instance it was called from (method supports fluent interface).

API reference based on ProcessWire core version 3.0.252