# TYPE_INVALID

*LSL constant*

```lsl
integer TYPE_INVALID = 0;
```

Variable type constant indicating the list entry or value is invalid.

Constant groups: [ListEntryType](/constants/groups/ListEntryType/)

## See also

### Constants

|

| Type |  | Description |
| --- | --- | --- |
| [TYPE_INTEGER](/constants/TYPE_INTEGER/) | 1 | [integer](https://wiki.secondlife.com/wiki/integer) |
| [TYPE_FLOAT](/constants/TYPE_FLOAT/) | 2 | [float](https://wiki.secondlife.com/wiki/float) |
| [TYPE_STRING](/constants/TYPE_STRING/) | 3 | [string](https://wiki.secondlife.com/wiki/string) |
| [TYPE_KEY](/constants/TYPE_KEY/) | 4 | [key](https://wiki.secondlife.com/wiki/key) |
| [TYPE_VECTOR](/constants/TYPE_VECTOR/) | 5 | [vector](https://wiki.secondlife.com/wiki/vector) |
| [TYPE_ROTATION](/constants/TYPE_ROTATION/) | 6 | [rotation](https://wiki.secondlife.com/wiki/rotation) |
| [TYPE_INVALID](/constants/TYPE_INVALID/) | 0 | none |

### Functions

- [llGetListEntryType](/functions/llGetListEntryType/)

---

*Source: [TYPE INVALID](https://wiki.secondlife.com/wiki/TYPE_INVALID) on the Second Life Wiki. Content from the Second Life Wiki articles TYPE INVALID (revision 1189247, 2014-04-07) and Template:LSL Constants/ListEntryType (revision 1198122, 2015-12-08), CC BY-SA 3.0.*

---

From lsl.dev: https://lsl.dev/constants/TYPE_INVALID/