https://help.qlik.com/en-US/qlikview/May2023/Subsystems/Client/Content/QV_QlikView/UsingMacrosonQVS....
The URL has the following description.
>>Server Side Export
>>It is possible to export the content of any chart to a text file on the server by using a Macro connected to a Button.
>>This feature has to be added in the QlikView document and then the macro can be executed from the QlikView Server directly in the web browser.
Please teach me How to export the content of any chart to a text file on the server by using a Macro.