CODE EXAMPLE FOR JAVASCRIPT

discord.js custom create channel

let channelName = args.slice(0).join(' '); //Arguments to set the channel name
message.guild.channels.create(channelName, {
        type: "text", //This create a text channel, you can make a voice one too, by changing "text" to "voice"
        permissionOverwrites: [
           {
             id: message.guild.roles.everyone, //To make it be seen by a certain role, user an ID instead
             allow: ['VIEW_CHANNEL', 'SEND_MESSAGES', 'READ_MESSAGE_HISTORY'], //Allow permissions
             deny: ['VIEW_CHANNEL', 'SEND_MESSAGES', 'READ_MESSAGE_HISTORY'] //Deny permissions
		   }
        ],
      })

//Note, you cant have, for example, VIEW_CHANNEL, in both allow and deny.