You can add the bot either to your contact list or to a channel. Simply add the user cryptocalapp_bot and send the following commands and it will repsond with the events/information according to the specified command.
/help - Provides the list of available commands
/contribute - Provides information on how you can contribute to the platform
/about - Provides some background information and different ways you can get the events
/today - Provides list of all events happening today
/this_week - Provides list of all events happening this week
/next_week - Provides list of all events happening next week
/coin_{coinsymbol} e.g
/coin_eth - Provides list of all events for a specific coin using coin sybmol or search query
/coin_history e.g
/coin_history_eth - Provides list of all past events for a given coin using coin symbol or search query
/show_categories - Provides all cateogires of events
/category e.g
/exchange - Provides list of all events happening now or in the future for a specific category