I’m sorry if my response was confusing. If I understand you correctly you would like to use UV modifiers to transform (move or stretch) texture in time. For example:
We don’t have any in depth example or tutorial of texture animation via UV modifiers.
To achieve such texture animation with UV modifiers you must use custom scripts, and extend Shapespark with custom javascript code. Custom scripts must be included in body-end.html file that can be uploaded only in the Standard and Plus plan.
You can find more examples how to extend Shapespark with custom scripts in customisation category: