from foxlin import FoxLin, Schema class MyTable(schema): # define your teble schema name: str username: str password: str db = FoxLin('./db.json', MyTable) data = [ MyTable(name='sobhan', username='misano', password='#197382645#'), MyTable(name='Tommy', username='god_of_war', password='123QWEasdZXC') ] with db.session as db_session: db_session.INSERT(*data) # OR  db_session = db.sessionFactory db_session.INSERT(*data) db_session.COMMIT() r_data = db_session.SELECT().WHERE('name','=','sobhan').get() myrecord = r_data[0] print(myrecord.name, myrecord.username, myrecord.password)