# Layout Quick API reference

```lua
layout:add(node_or_node_id)
layout:get_content_size()
layout:get_entities()
layout:get_size()
layout:init(node_or_node_id, layout_type)
layout:refresh_layout()
layout:remove(node_or_node_id)
layout:set_dirty()
layout:set_hug_content(is_hug_width, is_hug_height)
layout:set_justify(is_justify)
layout:set_margin([margin_x], [margin_y])
layout:set_node_index(node, index)
layout:set_padding([padding_x], [padding_y], [padding_z], [padding_w])
layout:set_type(type)
layout:update()