# How can read a Virtual COM Port on Ignition

**URL:** <https://forum.inductiveautomation.com/t/how-can-read-a-virtual-com-port-on-ignition/78235>\
**Category:** Ignition\
**Created:** [August 22, 2023, 2:33pm UTC](https://forum.inductiveautomation.com/t/how-can-read-a-virtual-com-port-on-ignition/78235 "2023-08-22T14:33:11Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Matheus\_Costa](https://avatars.discourse-cdn.com/v4/letter/m/f9ae1b/32.png) [@Matheus\_Costa](https://forum.inductiveautomation.com/u/Matheus_Costa)\
**Post date:** [August 22, 2023, 2:33pm UTC](https://forum.inductiveautomation.com/t/how-can-read-a-virtual-com-port-on-ignition/78235/1 "2023-08-22T14:33:11Z")

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Hello, Guys! I need integrate the ignition with another 3rd software, so I wanna connect my tag with a Virtual COM Port and record the data from Virtual COM Port in my tag. How can I do it ?

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**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:** [August 22, 2023, 2:34pm UTC](https://forum.inductiveautomation.com/t/how-can-read-a-virtual-com-port-on-ignition/78235/2 "2023-08-22T14:34:25Z")

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[https://docs.inductiveautomation.com/display/DOC81/Serial+Modules](https://docs.inductiveautomation.com/display/DOC81/Serial+Modules)

You’d probably read from the serial port and write it to a memory tag, or vice versa.

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<div class="post-metadata">

**Author:** ![Matheus\_Costa](https://avatars.discourse-cdn.com/v4/letter/m/f9ae1b/32.png) [@Matheus\_Costa](https://forum.inductiveautomation.com/u/Matheus_Costa)\
**Post date:** [August 25, 2023, 5:23pm UTC](https://forum.inductiveautomation.com/t/how-can-read-a-virtual-com-port-on-ignition/78235/3 "2023-08-25T17:23:53Z")

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I got it. But, now I need to connect a external button with ignition. This button is on a wireless device, the comunication is throught Virtual COM Port. How can I do it ?

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [August 25, 2023, 5:49pm UTC](https://forum.inductiveautomation.com/t/how-can-read-a-virtual-com-port-on-ignition/78235/4 "2023-08-25T17:49:54Z")

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What is that button going to send? Once you have a message received with the serial port data receive functions, how you decipher it and what you do with it is entirely up to your script.