{"name":"setMissionOptions","title":"setMissionOptions","type":"command","url":"https://community.bistudio.com/wiki/setMissionOptions","revid":378913,"updated":"2026-08-12T15:53:18Z","groups":["System"],"status":"ok","games":{"arma3":"2.18"},"since":"arma3 2.18","arma3_since":"2.18","locality":{"effect":"local"},"description":"Sets various mission options. The options are automatically reset between missions and are saved/restored with the save system.\nAvailable Options:\n\n- IgnoreNoDamage: Boolean - (default false) true to filter out no change in damage from HandleDamage calls\n- IgnoreFakeHeadHit: Boolean - (default false) true to filter out FakeHeadHit context from HandleDamage calls\n- IgnoreUpsideDownDamage: Boolean - (default false) true to ignore some minor upside down damage accumulation for a helicopter\n- Arma 3 v2.20 SnakesCanOpenDoors: Boolean - (default false) true to revert to legacy behaviour when snakes would open doors when entering houses\n- Arma 3 v2.20 AIThinkOnlyLocal: Boolean - (default false) true to disable processing targetting data for remote AI units, knowsAbout, targets and similar commands will cease to work on remote units. For a gain in client performance because they no longer have to calculate all AI units.\n- Arma 3 v2.24 MapSymbolIsHiddenWithTheObject: Boolean - (default true) true to hide map symbol when terrain object is hidden.\n- Arma 3 v2.24 MapHideForests: Boolean - (default false) true to hide map symbols for forests.\n- Arma 3 v2.24 MapHideRockFormations: Boolean - (default false) true to hide map symbols for rock formations.\n- Arma 3 v2.24 MapHideTowns: Boolean - (default false) true to hide map symbols for towns.\n- Arma 3 v2.24 MapHideRoads: Boolean - (default false) true to hide map symbols for roads.\n- Arma 3 v2.24 MapHideRivers: Boolean - (default false) true to hide map symbols for rivers.\n- Arma 3 v2.24 MapHideSigns: Boolean - (default false) true to hide map icons for objects.\n- Arma 3 v2.24 MapHideSmallSigns: Boolean - (default false) true to hide map icons for trees, bushes, rocks.\n- Arma 3 v2.24 MapHideLocations: Boolean - (default false) true to hide map icons for trees, bushes, rocks.\n\nProviding a empty HashMap will reset all options to defaults.","syntaxes":[{"syntax":"setMissionOptions options","params":[{"name":"options","type":"HashMap","description":"a HashMap containing all the options to be changed","type_expr":"HashMap"}],"returns":{"type":"Nothing","type_expr":"Nothing"},"form":"unary","right":{"text":"options"}}],"examples":[{"code":["setMissionOptions createHashMapFromArray [[\"IgnoreNoDamage\", true], [\"IgnoreFakeHeadHit\", true], [\"IgnoreUpsideDownDamage\", true]];"]},{"code":["setMissionOptions createHashMap; // reset options to default"]}],"see_also":["getMissionOptions","getResolution","getAudioOptionVolumes","getSubtitleOptions"]}