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Edge HMI

GetHardKeySN

  • Last UpdatedOct 29, 2026
  • 1 minute read

Returns the serial number of the Hardkey.

Function

Group

Execution

String Exp.

Windows

Windows Embedded

IoT View

Thin Clients

Mobile Access

GetHardKeySN

System Info

Synchronous

Yes

Supported

Not supported

Not supported

Supported

Executed on Server

Syntax

GetHardkeySN ( )

This function takes no parameters.

Returned value

If the Hardkey is installed, then the function returns a string with the Hardkey serial number.

If the Hardkey is not installed, then the function returns 0.

Notes

You must attach the Hardkey before executing this function, or the function will not execute properly.

Examples

Tag Name

Expression

Tag

GetHardkeySN() // Returned value = 120.745

Tag

GetHardkeySN() // Returned value = 224.941

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