Add block type for handling UI callbacks.
Add block type for handling UI callbacks.
tipbit/SimpleAuth,calebd/SimpleAuth,jiakai-lian/SimpleAuth,tofaruk/SimpleAuth-1,adamjmcgrath/SimpleAuth-1,hoanganh6491/SimpleAuth,machelix/SimpleAuth,sburavtsov/SimpleAuth,martinpilch/SimpleAuth,hyperspacemark/SimpleAuth,AlexanderMazaletskiy/SimpleAuth