Understanding the Parameters for discord.js Slash Commands

I am currently working on a calculation that involves using parameters input through a slash command. While entering the parameters works without any issues, I am facing difficulty in retrieving them. The current code is resulting in an error 

TypeError: Cannot read properties of undefined (reading 'get')
, which is confusing as the discord.js documentation clearly indicates that the function in question should exist and serve my purpose.

const { SlashCommandBuilder } = require('discord.js');

module.exports = {
    data: new SlashCommandBuilder()
        .setName('manacost')
        .setDescription('Calculates the soul spawn cost based on your inputs')
        .addStringOption(option =>
            option.setName('health')
                .setDescription('The amount of health your soul has. Supports k=1000...')
                .setRequired(true))
        .addStringOption(option =>
            option.setName('damage')
                .setDescription('The amount of damage your soul has. Supports k=1000...')
                .setRequired(true))
        .addIntegerOption(option =>
            option.setName('breeze')
                .setDescription('The amount of breeze you have.(0-80)')
                .setRequired(false)),
    async execute(interaction) {
        if (!interaction.isChatInputCommand()) return;
        let hp = interaction.options.get('health');
        let dmg = interaction.option.get('damage');
        let b =  interaction.option.get('breeze');
        console.log({hp, dmg, b});
        await interaction.reply({content: hp, dmg, b});
    },
}
javascriptdiscorddiscord.js

Answer №1

To access the interaction choices, you can utilize interaction.option.getString() or interaction.option.getInteger(). It appears that in your code, there is confusion between interaction.options and interaction.option. Stick to using interaction.options exclusively.

This means you need to update your code from

let hp = interaction.options.get('health');
let dmg = interaction.option.get('damage');
let b =  interaction.option.get('breeze');

to

let hp = interaction.options.getString('health');
let dmg = interaction.options.getString('damage');
let b =  interaction.options.getInteger('breeze');

Refer to this article from the discord.js guide for further details and to explore other option types available.

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