D++ (DPP)
C++ Discord API Bot Library
Using Resolved Objects

If your slash command accepts options like user, channel, or role you can get their value, as specified by the user in the command, from parameters. Though parameter gives you only the snowflake id of the passed value.

If you need object of that snowflake, you can get that from the resolved set using its snowflake id.

Below is an example showing how to get a member, passed in command options, using resolved set.

#include <dpp/dpp.h>
int main() {
dpp::cluster bot("token");
/* The event is fired when someone issues your commands */
bot.on_slashcommand([&bot](const dpp::slashcommand_t& event) {
/* Check which command they ran */
if (event.command.get_command_name() == "addrole") {
/* Fetch a parameter value from the command options */
dpp::snowflake user_id = std::get<dpp::snowflake>(event.get_parameter("user"));
dpp::snowflake role_id = std::get<dpp::snowflake>(event.get_parameter("role"));
/* Get member object from resolved list */
dpp::guild_member resolved_member = event.command.get_resolved_member(user_id);
resolved_member.add_role(role_id);
bot.guild_edit_member(resolved_member);
event.reply("Added role");
}
});
/* Attach on_ready event */
bot.on_ready([&bot](const dpp::ready_t& event) {
if (dpp::run_once<struct register_bot_commands>()) {
dpp::slashcommand add_role("addrole", "Give user a role", bot.me.id);
/* Add user and role type command options to the slash command */
add_role.add_option(dpp::command_option(dpp::co_user, "user", "User to give role to", true));
add_role.add_option(dpp::command_option(dpp::co_role, "role", "Role to give", true));
bot.global_command_create(add_role);
}
});
/* Start bot */
bot.start(dpp::st_wait);
return 0;
}
dpp::slashcommand_t
User has issued a slash command.
Definition: dispatcher.h:715
dpp::st_wait
@ st_wait
Wait forever on a condition variable. The cluster will spawn threads for each shard and start() will ...
Definition: cluster.h:101
dpp::co_role
@ co_role
A role id (snowflake).
Definition: appcommand.h:108
dpp::interaction_create_t::command
interaction command
command interaction
Definition: dispatcher.h:698
dpp::co_user
@ co_user
A user snowflake id.
Definition: appcommand.h:98
dpp::slashcommand
Represents an application command, created by your bot either globally, or on a guild.
Definition: appcommand.h:1358
dpp::utility::cout_logger
std::function< void(const dpp::log_t &)> DPP_EXPORT cout_logger()
Get a default logger that outputs to std::cout. e.g.
Definition: dispatcher.h:228
dpp::interaction::get_command_name
std::string get_command_name() const
Get the command name for a command interaction.
dpp::command_option
Each command option is a command line parameter. It can have a type (see dpp::command_option_type),...
Definition: appcommand.h:222
dpp::cluster
The cluster class represents a group of shards and a command queue for sending and receiving commands...
Definition: cluster.h:99
dpp::ready_t
Session ready.
Definition: dispatcher.h:981
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