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{{LSL_Function
|func_id=110|func_sleep=0.0|func_energy=10.0
|sort=CollisionFilter
|func=llCollisionFilter
|p1_type=string|p1_name=name
|p2_type=key|p2_name=id
|p3_type=integer|p3_name=accept
|func_footnote=if '''accept''' == {{LSLG|TRUE}}, only accept collisions with objects '''name''' AND '''id''' (either is optional), otherwise with objects not '''name''' AND '''id'''
|func_desc=Sets the collision filter, exclusively or inclusively.
|return_text
|spec
|caveats
|constants
|examples=
Stop filtering:
<lsl>llCollisionFilter("", NULL_KEY, TRUE);</lsl>
Filter out all collisions:
<lsl>llCollisionFilter("", NULL_KEY, FALSE);</lsl>
|helpers
|also_functions=
{{LSL DefineRow||[[llPassCollisions]]|}}
{{LSL DefineRow||[[llVolumeDetect]]|}}
|also_events=
{{LSL DefineRow||[[collision_start]]|}}
{{LSL DefineRow||[[collision]]|}}
{{LSL DefineRow||[[collision_end]]|}}
|also_articles
|notes
|permission
|cat1=Collision
|cat2
|cat3
|cat4
}}