Attribute Macro command 

#[command]

Procedural macro used to transform functions into commands produces functions which can be passed to Framework::command

Examples

/// This Doc comment will be the command description
#[command]
async fn say_hello(
    ctx: Context,
    #[option(
        channel_type = "text",
        name = "Channel"
        description = "Text channel to say hello to"
    )]
    channel: Channel,
) {
    channel
        .id()
        .send_message(&ctx.http(), |m| m.content("Hello, world!"))
        .await;
    ctx.reply_ephemeral("Sent message").await;
}