how to change password of hotspot regullary

hi folks would you like to tell me ho to change password of hotspot regullary/ automatic
example every monday password of hotspot change into blablabla (menus of food in the caffe)
would you like give me clue what thats method
im sorry im begginer on this



thanks in advanced

I think that you should keep the hotspot users in a RADIUS server, so that all devices have same user database. Usually RADIUS servers have ability to generate and change password like that.