# ASCII Control Commands **URL:** \ **Category:** Ignition\ **Created:** [June 27, 2019, 7:43am UTC](https://forum.inductiveautomation.com/t/ascii-control-commands/26129 "2019-06-27T07:43:41Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![emovspunk1996](https://avatars.discourse-cdn.com/v4/letter/e/e0b2c6/32.png) [@emovspunk1996](https://forum.inductiveautomation.com/u/emovspunk1996)\ **Post date:** [June 27, 2019, 7:43am UTC](https://forum.inductiveautomation.com/t/ascii-control-commands/26129/1 "2019-06-27T07:43:41Z")
Hi, I am trying to write an ASCII control code to the opc tag using the tcp driver. I dont know how to call the “SOH (Start of header)” command but I can somehow call the Carriage return using “\r” ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [June 27, 2019, 11:59am UTC](https://forum.inductiveautomation.com/t/ascii-control-commands/26129/2 "2019-06-27T11:59:03Z")
Try `\u0001` or `\x01` if it’s from a script. ---
**Author:** ![emovspunk1996](https://avatars.discourse-cdn.com/v4/letter/e/e0b2c6/32.png) [@emovspunk1996](https://forum.inductiveautomation.com/u/emovspunk1996)\ **Post date:** [June 27, 2019, 12:06pm UTC](https://forum.inductiveautomation.com/t/ascii-control-commands/26129/3 "2019-06-27T12:06:43Z")
I am writing directly to the writable tag and I tried writing \1, \u0001 and \x01. I cant get the result I want ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [June 27, 2019, 12:07pm UTC](https://forum.inductiveautomation.com/t/ascii-control-commands/26129/4 "2019-06-27T12:07:40Z")
I don’t think you can enter this code directly into the designer’s tag browser, it probably has to be done via script.