# Enumeration: InternalModifier
The name of the modifiers that are used internally by DayPicker.
## Enumeration Members
| Enumeration Member | Value | Description |
| :------ | :------ | :------ |
| `Disabled` | `"disabled"` | Name of the modifier applied to the disabled days, using the `disabled`
prop. |
| `Hidden` | `"hidden"` | Name of the modifier applied to the hidden days using the `hidden` prop). |
| `Outside` | `"outside"` | - |
| `RangeEnd` | `"range_end"` | The modifier applied to the day ending a selected range, when in range
selection mode. |
| `RangeMiddle` | `"range_middle"` | The modifier applied to the days between the start and the end of a
selected range, when in range selection mode. |
| `RangeStart` | `"range_start"` | The modifier applied to the day starting a selected range, when in range
selection mode. |
| `Selected` | `"selected"` | Name of the modifier applied to the selected days using the `selected`
prop). |
| `Today` | `"today"` | Name of the modifier applied to the day specified using the `today` prop). |