Use variables instead of parameters

[Cv-securityIQ]

Required items, please complete

Change(s):

• Use variables('FunctionName') instead of parameters('FunctionName')

Reason for Change(s):

• Use variables('FunctionName') instead of parameters('FunctionName'), because the function app name in the variable is function name and resource group id., which is the correct id.

Version Updated:

• Not needed

Testing Completed:

• Yes, I have tested it, if this works

[Cv-securityIQ]

Hi. Just fixed a small mistake in the last PR where I accidentally used the wrong variable for the function app name. Could you please review the fix?