Unlocking with API_SEMBPS_REFRESH and API_SEMBPS_POST

I have two doubts.

When I'm running with an exit the function API_SEMBPS_REFRESH it's unlocking some entries that I see in SM12 but not all. Anyone can give me a possible cause.

Secondly is a doubt about API_SEMBPS_POST. Is this function supposed to store data in the cube? In my case it's not storing anything. Any clues.

Regards. Points always awarded.