# CHANGED_LINK

*LSL constant*

```lsl
integer CHANGED_LINK = 0x20;
```

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

The number of prims making up the object or avatars seated on the object have changed. This event also occurs when duplicating a linked object or when a prim in an object changes type or shape. This event does not occur when: an object is attached or detached, in an attachment when the avatar sits or unsits, in an attachment when another object is attached or detached, or when a single prim is duplicated.

## Examples

<details open>
<summary>Example 1</summary>

```lsl
default
{
    changed(integer change)
    {
        if (change & CHANGED_LINK) //note that it's & and not &&... it's bitwise!
        {
            llOwnerSay("The number of links have changed.");
        }
    }
}
```

</details>

## See also

### Constants

- [PERMISSION_CHANGE_LINKS](/constants/PERMISSION_CHANGE_LINKS/)

### Functions

- [llAvatarOnSitTarget](/functions/llAvatarOnSitTarget/)
- [llBreakAllLinks](/functions/llBreakAllLinks/)
- [llBreakLink](/functions/llBreakLink/)
- [llCreateLink](/functions/llCreateLink/)
- [llSitTarget](/functions/llSitTarget/)
- [llUnSit](/functions/llUnSit/)

### Events

- [changed](/events/changed/)

---

*Source: [CHANGED LINK](https://wiki.secondlife.com/wiki/CHANGED_LINK) on the Second Life Wiki. Content from the Second Life Wiki article CHANGED LINK (revision 1194599, 2015-01-22), CC BY-SA 3.0.*

---

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