Пространство имен Bitrix\Landing\History\Action

Классы
class	AddBlockAction
class	AddCardAction
class	AddNodeAction
class	BaseAction
class	ChangeAnchorAction
class	ChangeNodeNameAction
class	EditAttributesAction
class	EditEmbedAction
class	EditIconAction
class	EditImgAction
class	EditLinkAction
class	EditMapAction
class	EditStyleAction
class	EditTextAction
class	MultiplyAction
class	RemoveBlockAction
class	RemoveCardAction
class	RemoveNodeAction
class	ReplaceLanding
class	SortBlockAction
class	UpdateContentAction
class	UpdateDynamicAction