set_chat_photo

template<class Agent>
api_result<boolean_t, Agent&&> set_chat_photo(Agent &&agent, set_chat_photo_args_t args)

template<class Agent, class F>
void set_chat_photo(Agent &&agent, set_chat_photo_args_t args, F &&callback)

agent is any object satisfying agent concept.

callback is any callable object accepting expected<boolean_t>.

Use this method to set a new profile photo for the chat. Photos can’t be changed for private chats. The bot must be an administrator in the chat for this to work and must have the appropriate administrator rights. Returns True on success.

struct set_chat_photo_args_t

Arguments that should be passed to set_chat_photo().

variant_t<integer_t, string_t> chat_id

Unique identifier for the target chat or username of the target channel (in the format @channelusername)

input_file_t photo

New chat photo, uploaded using multipart/form-data