set_message_reaction

template<class Agent>
api_result<boolean_t, Agent&&> set_message_reaction(Agent &&agent, set_message_reaction_args_t args)

template<class Agent, class F>
void set_message_reaction(Agent &&agent, set_message_reaction_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 change the chosen reactions on a message. Service messages can’t be reacted to. Automatically forwarded messages from a channel to its discussion group have the same available reactions as messages in the channel. Returns True on success.

struct set_message_reaction_args_t

Arguments that should be passed to set_message_reaction().

variant_t<integer_t, string_t> chat_id

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

integer_t message_id

Identifier of the target message. If the message belongs to a media group, the reaction is set to the first non-deleted message in the group instead.

optional_t<array_t<reaction_type_t>> reaction

A JSON-serialized list of reaction types to set on the message. Currently, as non-premium users, bots can set up to one reaction per message. A custom emoji reaction can be used if it is either already present on the message or explicitly allowed by chat administrators.

optional_t<boolean_t> is_big

Pass True to set the reaction with a big animation