Define all attributes of Attachment model
Define all attributes of Attachment model

legendecas/Rocket.Chat.iOS,RocketChat/Rocket.Chat.iOS,haitran2011/Rocket.Chat.iOS,legendecas/Rocket.Chat.iOS,haitran2011/Rocket.Chat.iOS,RocketChat/Rocket.Chat.iOS,haitran2011/Rocket.Chat.iOS,legendecas/Rocket.Chat.iOS,RocketChat/Rocket.Chat.iOS