Step 1. Import data into PSQQQ (to appropriate supplier section)
Step 2. Update Main Feed At PSQQQ - Run "Repricing" function
Step 3. Export updated data from PSQQQ into your commercetools online store.*** - All steps can be automated via scheduler.
If you have feeds in PSQQQ are manual created - update them if it is necessary
If you have feeds in PSQQQ that take data from external sources like email, url, ftp, api - do nothing with such feeds
* on Step 3 it will update feeds automatically if they have external data sources.
After this step you will get updated data at PSQQQ.
To finalize commercetools repricing - run export to your commercetools online store.