# CHANGED_RENDER_MATERIAL

*LSL constant*

```lsl
integer CHANGED_RENDER_MATERIAL = 0x1000;
```

Render material (prim material ID or material overrides) has changed on one or more faces.

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

Prim [material ID](/constants/PRIM_RENDER_MATERIAL/) or [material overrides](https://wiki.secondlife.com/wiki/GLTF_Overrides) have changed on one or more faces.

## Examples

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

```lsl
default
{
    changed(integer change)
    {
        if (change & CHANGED_RENDER_MATERIAL) //note that it's & and not &&... it's bitwise!
        {
            llOwnerSay("The prim's material ID and/or overrides have changed on one or more faces.");
        }
    }
}
```

</details>

## See also

### Functions

- [llSetRenderMaterial](/functions/llSetRenderMaterial/)
- [llGetRenderMaterial](/functions/llGetRenderMaterial/)
- [llSetPrimitiveParams](https://wiki.secondlife.com/wiki/LlSetPrimitiveParams) — [PRIM_RENDER_MATERIAL](/constants/PRIM_RENDER_MATERIAL/)
- [llSetLinkPrimitiveParams](https://wiki.secondlife.com/wiki/LlSetLinkPrimitiveParams) — [PRIM_RENDER_MATERIAL](/constants/PRIM_RENDER_MATERIAL/)

### Events

- [changed](/events/changed/)

---

*Source: [CHANGED RENDER MATERIAL](https://wiki.secondlife.com/wiki/CHANGED_RENDER_MATERIAL) on the Second Life Wiki. Content from the Second Life Wiki article CHANGED RENDER MATERIAL (revision 1218988, 2026-08-24), CC BY-SA 3.0.*

---

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