@darya.alpatova
Refer to the Getting started with Python guide, the date can be relative (e.g. -10D, -2Y, 3M) or absolute (e.g. 2018-11-09) date format. Moreover, it can be the following values:
LATESTDATEBDATEDEFAULTDATEMTEQTESQDATESWDATESYDATETODAYWKEYRE
If this doesn't answer your question, please explain more about the question. For example, please share the code that you are using or the data types that you want to get.