there is API documentation available in docs. and the source code is git hub is quite self explanatory.
jafar habibi how you can get the source code in Windows 10, what programs need to be installed, how to create the database for it to work, what server is used...
DonNoe7 please don't duplicate your question in multiple threads.
Exist some Documentation for Developer, where say name of files and description of file for can modified?