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# Factorio Runtime Docs Version 2.0.7

## Class LuaModSettingPrototype extends LuaPrototypeBase changed

Prototype of a mod setting.

## Members

mod | :: R string | The mod that owns this setting.
The mod that owns this setting.
setting_type | :: R `"startup"` or `"runtime-global"` or `"runtime-per-user"` |
default_value | :: R boolean or double or int or string or Color | The default value of this setting.
The default value of this setting.
minimum_value | :: R double or int? | The minimum value for this setting. [...]
The minimum value for this setting. [...]
maximum_value | :: R double or int? | The maximum value for this setting. [...]
The maximum value for this setting. [...]
allowed_values | :: R array[string] or array[int] or array[double] ? | The allowed values for this setting. [...]
The allowed values for this setting. [...]
allow_blank | :: R boolean? | Whether this string setting allows blank values. [...]
Whether this string setting allows blank values. [...]
auto_trim | :: R boolean? | Whether this string setting auto-trims values. [...]
Whether this string setting auto-trims values. [...]
valid | :: R boolean | Is this object valid? [...]
Is this object valid? [...]
object_name | :: R string | The class name of this object. [...]
The class name of this object. [...]

Inherited from LuaPrototypeBase

type | :: R string | Type of this prototype.
Type of this prototype.
name | :: R string | Name of this prototype.
Name of this prototype.
order | :: R string | The string used to alphabetically sort these prototypes. [...]
The string used to alphabetically sort these prototypes. [...]
localised_name | :: R LocalisedString |
localised_description | :: R LocalisedString |
group | :: R LuaGroup | Group of this prototype.
Group of this prototype.
subgroup | :: R LuaGroup | Subgroup of this prototype.
Subgroup of this prototype.
hidden | :: R boolean |
hidden_in_factoriopedia | :: R boolean |
parameter | :: R boolean |

## Attributes

### mod :: Read string

The mod that owns this setting.

### setting_type :: Read `"startup"` or `"runtime-global"` or `"runtime-per-user"`

### default_value :: Read boolean or double or int or string or Color

The default value of this setting.

### minimum_value :: Read double or int?

The minimum value for this setting. `nil` if this setting type doesn't support a minimum.

### maximum_value :: Read double or int?

The maximum value for this setting. `nil` if this setting type doesn't support a maximum.

### allowed_values :: Read array[string] or array[int] or array[double] ?

The allowed values for this setting. `nil` if this setting doesn't use the a fixed set of values.

### allow_blank :: Read boolean?

Whether this string setting allows blank values. `nil` if not a string setting.

### auto_trim :: Read boolean?

Whether this string setting auto-trims values. `nil` if not a string setting

### valid :: Read boolean

Is this object valid? This Lua object holds a reference to an object within the game engine. It is possible that the game-engine object is removed whilst a mod still holds the corresponding Lua object. If that happens, the object becomes invalid, i.e. this attribute will be `false`. Mods are advised to check for object validity if any change to the game state might have occurred between the creation of the Lua object and its access.

### object_name :: Read string

The class name of this object. Available even when `valid` is false. For LuaStruct objects it may also be suffixed with a dotted path to a member of the struct.