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# Factorio Runtime Docs Version 2.0.77

# ElemType - Runtime Docs

## ElemType :: union

A string specifying a type for choose elem buttons. It's also used by ElemID for LuaGuiElement::elem_tooltip.

#### Union members

`"achievement"` |
`"decorative"` |
`"entity"` |
`"equipment"` |
`"fluid"` |
`"item"` |
`"item-group"` |
`"recipe"` |
`"signal"` |
`"technology"` |
`"tile"` |
`"asteroid-chunk"` |
`"space-location"` |
`"item-with-quality"` |
`"entity-with-quality"` |
`"recipe-with-quality"` |
`"equipment-with-quality"` |

Concept used in

- LuaGuiElement::add()
- LuaGuiElement::elem_type
- ElemID