The following constants can be used by most functions that affect one or more links specified by number, such as llSetLinkColor. The first two of them can also be used by functions that affect one single link at a time, such as llGetLinkKey or llLinkSitTarget.
| Constant | Value | Description |
|---|---|---|
| LINK_THIS | -4 | refers to the prim the script is in |
| LINK_ROOT | 1 | refers to the root prim in a multi-prim linked set |
| LINK_SET | -1 | refers to all prims |
| LINK_ALL_OTHERS | -2 | refers to all prims other than the one the script is in |
| LINK_ALL_CHILDREN | -3 | refers to all children (everything but the root) |