How i can use tag of page with name of archive

def name = WebUI.getText(findTestObject("path/to/yourTAG_TestObject"))
def file1 = new File((‘G:/Infox/page’ + name) + ‘.htm’)

https://docs.katalon.com/katalon-studio/docs/webui-get-text.html

If you mean the VALUE of the tag…

def name = WebUI.getValue(findTestObject("path/to/yourTAG_TestObject"))
def file1 = new File((‘G:/Infox/page’ + name) + ‘.htm’)