it is possible to call ms-Access function from outside - ms-access

Question

I created a public function in an existing Access form and I`m trying to call it from outside the application.Very simple function just created for testing this.
Public Function test1(ByVal test1 As String)
Dim xlApp As New Excel.Application
xlApp.Visible = False
Dim wb As Excel.Workbook
Set wb = xlApp.Workbooks.Add
Dim ws As Excel.Worksheet
Set ws = wb.Worksheets(1)
End Function
I created the connection to it, on Automation Anywhere and I´m trying to call the function created.
Connection String im using:
Provider=Microsoft.ACE.OLEDB.16.0;Data Source="$connection$";Jet OLEDB:Database Password="$pass$"
Tried doing this, without suceed
Select test1("test")
EXEC test1("test1")
EXECUTE test1("test1")
Also with simple '
No way to do this on background so as suggested below I created a sub and called it from an VB Script
Set appAccess = CreateObject("Access.Application")
appAccess.OpenCurrentDatabase "RUTA ACCESS",,"CONTRASEÑA"
appAccess.UserControl = True
appAccess.Run "generarEtiqueta","numPropuesta","numExp","fileSavePath"
appAccess.CloseCurrentDatabase
appAccess.Quit
generarEtiqueta is the sub, all the other are arguments

Answer 1

You can create a module in access vba to use it in any form, or independent of form. The function can be called from outside as such:
Dim appAccess As New Access.Application
appAccess.OpenCurrentDatabase ("C:\My Documents\myDatabase.mdb")
appAccess.Run "myDatabase.test1", "Pass your argument here"

Answer 2

Running code behind a form requires the form to be open.
Example of a VBScript running a Sub and Function procedures in Access general module as well as a macro.
Dim ObjAccess
Set ObjAccess = CreateObject("Access.application")
ObjAccess.visible = false
ObjAccess.OpenCurrentDatabase("filepath\filename.accdb")
ObjAccess.Run("FunctionName") 'not finding a way to pass argument to Function
ObjAccess.Run "SubName", "argument" 'if Sub does not require argument then eliminate
ObjAccess.DoCmd.RunMacro "MacroName"
ObjAccess.Quit
Set ObjAccess = Nothing
I tested calling a Sub that issued a MsgBox and a Debug.Print. MsgBox works, Debug.Print does not.