{"name":"radioChannelSetCallSign","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","games":{"tkoh":"1.00","arma3":"0.50"},"since":"tkoh 1.00","arma3_since":"0.50","locality":{"argument":"global","effect":"global"},"description":"Set the custom radio chat channel's callsign / VoN callsign.","syntaxes":[{"syntax":"customChannelID radioChannelSetCallSign callSign","params":[{"name":"customChannelID","type":"Number","description":"custom channel ID returned by radioChannelCreate command","type_expr":"Number"},{"name":"callSign","type":"String or Arma 3 v2.22 Array","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 |","type_expr":"String | Array"}],"returns":{"type":"Nothing","type_expr":"Nothing"},"form":"binary","left":{"text":"customChannelID"},"right":{"text":"callSign"}}],"examples":[{"code":["4 radioChannelSetCallSign \"(%UNIT_ID) %UNIT_RANK %UNIT_NAME%UNIT_GRP_LEADER\"; // (1) Sgt Ben Kelly, group leader"]},{"code":["4 radioChannelSetCallSign [\"%UNIT_VEH_POSITION, %UNIT_VEH_NAME\", \"%UNIT_NAME%UNIT_GRP_LEADER\"];"]}],"see_also":["radioChannelAdd","radioChannelCreate","radioChannelRemove","radioChannelSetLabel"]}