Action hook 'update-core-custom_{$action}'

Description

Fires for each custom update action on the WordPress Updates screen. The dynamic portion of the hook name, `$action`, refers to the passed update action. The hook fires in lieu of all available default update actions.

Occurrences

PHP Doc

/**
	 * Fires for each custom update action on the WordPress Updates screen.
	 *
	 * The dynamic portion of the hook name, `$action`, refers to the
	 * passed update action. The hook fires in lieu of all available
	 * default update actions.
	 *
	 * @since 3.2.0
	 */