How to use callback functions using &callback=<name> parameter with a single integration
Article Number: 000073755 | Last Modified: 2019/05/08
Qlik has decided to deprecate the "&callback=<name>" parameter from the next major release. Please check the official Help documentation for details when the release is available.
Qlik Sense: all versions
This is an expected behavior, because the callback functions have to be defined in the same iFrame (the embedded browser instance). There are articles on Internet about this, for example this one