{"name":"radioChannelSetCallSign","operator":null,"title":"radioChannelSetCallSign","type":"command","url":"https://community.bistudio.com/wiki/radioChannelSetCallSign","revid":378308,"updated":"2026-04-01T22:46:59Z","groups":["Radio and Chat","Custom Radio and Chat"],"status":"ok","replaced_by":[],"games":[{"game":"tkoh","name":"Take On Helicopters","version":"1.00"},{"game":"arma3","name":"Arma 3","version":"0.50"}],"since":{"game":"tkoh","name":"Take On Helicopters","version":"1.00"},"arma3_since":"0.50","branch":null,"locality":{"argument":"global","effect":"global","server_exec":false},"exec":null,"description":"Set the custom radio chat channel's callsign / VoN callsign.","syntaxes":[{"syntax":"customChannelID radioChannelSetCallSign callSign","since":null,"effect":null,"exec":null,"params":[{"name":"customChannelID","type":"Number","optional":false,"default":null,"description":"custom channel ID returned by radioChannelCreate command","types":["Number"],"since":null,"text":"customChannelID: Number - custom channel ID returned by radioChannelCreate command"},{"name":"callSign","type":"String or Arma 3 v2.22 Array","optional":false,"default":null,"description":"custom chat callsign or [callSign, callSignVoN]. Available parameters:\n\n| Parameter | Description | Example |\n|---|---|---|\n| `%$KEY` | Reference a localised text | \"%$STR_Q_North\" → \"North\" |\n| `%CHANNEL_LABEL` | The channel's label - see radioChannelSetLabel | \"Q-dance Radio\" |\n| `%UNIT_SIDE` | Side's name, similar to sideRadio | \"BLUFOR\" |\n| `%UNIT_NAME` | The ***player***'s or AI's name - see name | \"John Doe\" |\n| `%UNIT_RANK` | A shorthand version of the unit's rank | \"Sgt\" |\n| `%UNIT_ID` | The unit's id in the group | \"1\" |\n| `%UNIT_REF` | The unit's log reference | \"Unit123456\" |\n| `%UNIT_GRP_NAME` | The group's name - see setGroupId | \"Alpha 1-1\" |\n| `%UNIT_GRP_LEADER` | Group leader mention (if the unit is its group's leader) | \", group leader\" |\n| `%UNIT_VEH_NAME` | Display name of the unit's vehicle | \"Hunter\" |\n| `%UNIT_VEH_POSITION` | Unit's vehicle position, similar to vehicleRadio | \"Gunner\" |\n| `%%` | To display a normal percentage sign | N/A |","types":["String","Array"],"since":null,"text":"callSign: String or Arma 3 v2.22 Array - custom chat callsign or [callSign, callSignVoN]. Available parameters:\n\n| Parameter | Description | Example |\n|---|---|---|\n| `%$KEY` | Reference a localised text | \"%$STR_Q_North\" → \"North\" |\n| `%CHANNEL_LABEL` | The channel's label - see radioChannelSetLabel | \"Q-dance Radio\" |\n| `%UNIT_SIDE` | Side's name, similar to sideRadio | \"BLUFOR\" |\n| `%UNIT_NAME` | The ***player***'s or AI's name - see name | \"John Doe\" |\n| `%UNIT_RANK` | A shorthand version of the unit's rank | \"Sgt\" |\n| `%UNIT_ID` | The unit's id in the group | \"1\" |\n| `%UNIT_REF` | The unit's log reference | \"Unit123456\" |\n| `%UNIT_GRP_NAME` | The group's name - see setGroupId | \"Alpha 1-1\" |\n| `%UNIT_GRP_LEADER` | Group leader mention (if the unit is its group's leader) | \", group leader\" |\n| `%UNIT_VEH_NAME` | Display name of the unit's vehicle | \"Hunter\" |\n| `%UNIT_VEH_POSITION` | Unit's vehicle position, similar to vehicleRadio | \"Gunner\" |\n| `%%` | To display a normal percentage sign | N/A |"}],"returns":{"type":"Nothing","types":["Nothing"],"description":null,"text":"Nothing"},"form":"binary","operator":null,"left":{"text":"customChannelID","types":["Number"]},"right":{"text":"callSign","types":["String","Array"]}}],"examples":[{"text":"```sqf\n4 radioChannelSetCallSign \"(%UNIT_ID) %UNIT_RANK %UNIT_NAME%UNIT_GRP_LEADER\"; // (1) Sgt Ben Kelly, group leader\n```","code":["4 radioChannelSetCallSign \"(%UNIT_ID) %UNIT_RANK %UNIT_NAME%UNIT_GRP_LEADER\"; // (1) Sgt Ben Kelly, group leader"]},{"text":"```sqf\n4 radioChannelSetCallSign [\"%UNIT_VEH_POSITION, %UNIT_VEH_NAME\", \"%UNIT_NAME%UNIT_GRP_LEADER\"];\n```","code":["4 radioChannelSetCallSign [\"%UNIT_VEH_POSITION, %UNIT_VEH_NAME\", \"%UNIT_NAME%UNIT_GRP_LEADER\"];"]}],"multiplayer":null,"problems":null,"aliases":[],"see_also":["radioChannelAdd","radioChannelCreate","radioChannelRemove","radioChannelSetLabel"],"notes":[],"categories":["Arma 3: Scripting Commands","Command Group: Custom Radio and Chat","Command Group: Radio and Chat","Introduced with Take On Helicopters version 1.00","Scripting Commands","Scripting Commands: Global Effect","Take On Helicopters: New Scripting Commands","Take On Helicopters: Scripting Commands"]}