SMS are send via the mailing feature, so everything that is possible with mailings is possible with SMS as well.
The SMS messages should be pushed based on participant actions
This is accomplished by using mailSchedule()
.
Last: can I feed csv data in SoSci and appliy code
How to accomplish that is explained here: Database for Contents
Regarding the graphs, JavaScript-based graphs with Chart.js are a good option. And this, will work fine with placeholders ...
and fills in placeholder messages on survey pages?
... which are explained here: Placeholders
At best, I would prefer a phone consultation
The online support is free. We can offer third-level telephone support (as well as professional implementation service) at a rate of 135 € plus tax per hour.