diff --git a/.vscode/settings.json b/.vscode/settings.json
index 0dd8765..7848ab6 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,5 +2,8 @@
   "deno.enable": true,
   "deno.lint": false,
   "deno.unstable": false,
-  "deepscan.enable": true
+  "deepscan.enable": true,
+  "deno.import_intellisense_origins": {
+    "https://deno.land": true
+  }
 }
\ No newline at end of file
diff --git a/src/models/client.ts b/src/models/client.ts
index a200c95..c77a9f4 100644
--- a/src/models/client.ts
+++ b/src/models/client.ts
@@ -1,12 +1,14 @@
 import { User } from '../structures/user.ts'
 import { GatewayIntents } from '../types/gatewayTypes.ts'
 import { Gateway } from './gateway.ts'
+import { Rest } from "./rest.ts"
 
 /**
  * Discord Client.
  */
 export class Client {
   gateway?: Gateway
+  rest?: Rest
   user?: User
   ping = 0
 
diff --git a/src/models/gateway.ts b/src/models/gateway.ts
index 4885bf4..09fbffe 100644
--- a/src/models/gateway.ts
+++ b/src/models/gateway.ts
@@ -180,6 +180,10 @@ class Gateway {
     this.websocket.onclose = this.onclose.bind(this)
     this.websocket.onerror = this.onerror.bind(this)
   }
+
+  close () {
+    this.websocket.close(1000)
+  }
 }
 
 export { Gateway }
diff --git a/src/models/rest.ts b/src/models/rest.ts
index 0632b43..5226e90 100644
--- a/src/models/rest.ts
+++ b/src/models/rest.ts
@@ -1 +1,12 @@
-// rest api
\ No newline at end of file
+import { Client } from "./client.ts";
+
+class Rest  {
+    client: Client
+    constructor(client: Client) {
+        this.client = client
+    }
+
+    //TODO: make endpoints function
+}
+
+export { Rest }
\ No newline at end of file
diff --git a/src/structures/base.ts b/src/structures/base.ts
index 9bd008b..6f99de4 100644
--- a/src/structures/base.ts
+++ b/src/structures/base.ts
@@ -1,4 +1,3 @@
-// 일단 대충 여러 봇 라이브러리에서 본 구조 가져오는 중..
 import { Client } from '../models/client.ts'
 
 export class Base {
diff --git a/src/structures/cdn.ts b/src/structures/cdn.ts
new file mode 100644
index 0000000..a56520c
--- /dev/null
+++ b/src/structures/cdn.ts
@@ -0,0 +1,11 @@
+import { ImageFormats, ImageSize } from "../types/cdnTypes.ts";
+
+export const ImageURL = (
+    url: string, 
+    format: ImageFormats,
+    size?: ImageSize | 128
+) => {
+    if (url.includes('a_')) {
+        return url + '.gif' + '?size=' + size
+    } else return url + '.' + format + '?size=' + size
+}
\ No newline at end of file
diff --git a/src/structures/emoji.ts b/src/structures/emoji.ts
index 23b2883..a419515 100644
--- a/src/structures/emoji.ts
+++ b/src/structures/emoji.ts
@@ -12,6 +12,13 @@ export class Emoji extends Base implements EmojiPayload {
   managed?: boolean
   animated?: boolean
   available?: boolean
+
+  get CustomEmoji () {
+    if (this.animated === false) {
+     return `<:${this.name}:${this.id}>`
+    } else return `<a:${this.name}:${this.id}>`
+  }
+
   constructor (client: Client, data: EmojiPayload) {
     super(client)
     this.id = data.id
diff --git a/src/structures/invite.ts b/src/structures/invite.ts
index 50743f5..723c2f5 100644
--- a/src/structures/invite.ts
+++ b/src/structures/invite.ts
@@ -15,6 +15,11 @@ export class Invite extends Base implements InvitePayload {
   approximate_presence_count?: number
   approximate_member_count?: number
 
+
+  get link () {
+    return `discord.gg/${this.code}`
+  }
+
   constructor (client: Client, data: InvitePayload) {
     super(client)
     this.code = data.code
diff --git a/src/structures/role.ts b/src/structures/role.ts
index 2148bbf..a286f3d 100644
--- a/src/structures/role.ts
+++ b/src/structures/role.ts
@@ -12,6 +12,10 @@ export class Role extends Base implements RolePayload {
   managed: boolean
   mentionable: boolean
 
+  get mention () {
+    return `<@&${this.id}>`
+  }
+
   constructor (client: Client, data: RolePayload) {
     super(client)
     this.id = data.id
diff --git a/src/structures/textChannel.ts b/src/structures/textChannel.ts
index 83c9392..ce8af41 100644
--- a/src/structures/textChannel.ts
+++ b/src/structures/textChannel.ts
@@ -23,6 +23,11 @@ export class TextChannel extends GuildChannel implements ChannelPayload {
   parent_id?: string | undefined
   last_pin_timestamp?: string | undefined
 
+
+  get mention () {
+    return `<#${this.id}>`
+  }
+
   constructor (client: Client, data: ChannelPayload) {
     super(client, data)
     this.id = data.id
diff --git a/src/structures/user.ts b/src/structures/user.ts
index ea7f64e..afb64ff 100644
--- a/src/structures/user.ts
+++ b/src/structures/user.ts
@@ -17,6 +17,14 @@ export class User extends Base implements UserPayload {
   premium_type?: 0 | 1 | 2
   public_flags?: number
 
+  get nickMention () {
+    return `<@!${this.id}>`
+  }
+
+  get mention () {
+    return `<@${this.id}>`
+  }
+
   constructor (client: Client, data: UserPayload) {
     super(client)
     this.id = data.id
diff --git a/src/structures/voicestate.ts b/src/structures/voicestate.ts
new file mode 100644
index 0000000..369e438
--- /dev/null
+++ b/src/structures/voicestate.ts
@@ -0,0 +1,33 @@
+import { Client } from "../models/client.ts"
+import { VoiceStatePayload } from "../types/voiceTypes.ts"
+import { Base } from "./base.ts"
+import { Member } from "./member.ts"
+
+export class VoiceState extends Base implements VoiceStatePayload {
+    guild_id?: string
+    channel_id: string | undefined
+    user_id: string
+    member?: Member
+    session_id: string
+    deaf: boolean
+    mute: boolean
+    self_deaf: boolean
+    self_mute: boolean
+    self_stream?: boolean
+    self_video: boolean
+    suppress: boolean
+
+    constructor (client: Client, data: VoiceStatePayload) {
+        super(client)
+        this.channel_id = data.channel_id
+        this.session_id = data.session_id
+        this.user_id = data.user_id
+        this.deaf = data.deaf
+        this.mute = data.mute
+        this.self_deaf = data.self_deaf
+        this.self_mute = data.self_mute
+        this.self_stream = data.self_stream
+        this.self_video = data.self_video
+        this.suppress = data.suppress
+    }
+}
\ No newline at end of file
diff --git a/src/structures/webhook.ts b/src/structures/webhook.ts
new file mode 100644
index 0000000..aa9ab2c
--- /dev/null
+++ b/src/structures/webhook.ts
@@ -0,0 +1,23 @@
+import { Client } from "../models/client.ts"
+import { WebhookPayload } from "../types/webhookTypes.ts"
+import { Base } from "./base.ts"
+import { User } from "./user.ts"
+
+export class VoiceState extends Base implements WebhookPayload {
+    id: string
+    type: 1 | 2
+    guild_id?: string
+    channel_id: string
+    user?: User
+    name: string | undefined
+    avatar: string | undefined
+    token?: string
+    application_id: string | undefined
+
+    constructor (client: Client, data: WebhookPayload) {
+        super(client)
+        this.id = data.id
+        this.type = data.type
+        this.channel_id = data.channel_id
+    }
+}
\ No newline at end of file
diff --git a/src/test/config.ts.sample b/src/test/config.ts.sample
index 3f6b2f9..44a8029 100644
--- a/src/test/config.ts.sample
+++ b/src/test/config.ts.sample
@@ -1 +1,2 @@
 const TOKEN = ''
+export { TOKEN }
diff --git a/src/types/cdnTypes.ts b/src/types/cdnTypes.ts
new file mode 100644
index 0000000..56e2be2
--- /dev/null
+++ b/src/types/cdnTypes.ts
@@ -0,0 +1,2 @@
+export type ImageSize = 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048
+export type ImageFormats = "jpg" | "jpeg" | "png" | "webp" | "gif"
\ No newline at end of file
diff --git a/src/types/endpoint.ts b/src/types/endpoint.ts
index 503519b..c7c68b6 100644
--- a/src/types/endpoint.ts
+++ b/src/types/endpoint.ts
@@ -134,32 +134,32 @@ const GATEWAY_BOT = `${DISCORD_API_URL}/v${DISCORD_API_VERSION}/gateway/bot`
 
 //CDN Endpoints
 const CUSTOM_EMOJI = (emojiID: string) =>
-  `${DISCORD_CDN_URL}/emojis/${emojiID}.png`
+  `${DISCORD_CDN_URL}/emojis/${emojiID}`
 const GUILD_ICON = (guildID: string, iconID: number) =>
-  `${DISCORD_CDN_URL}/icons/${guildID}/${iconID}.png`
+  `${DISCORD_CDN_URL}/icons/${guildID}/${iconID}`
 const GUILD_SPLASH = (guildID: string, guildSPLASH: string) =>
-  `${DISCORD_CDN_URL}/splashes/${guildID}/${guildSPLASH}.png`
+  `${DISCORD_CDN_URL}/splashes/${guildID}/${guildSPLASH}`
 const GUILD_DISCOVERY_SPLASH = (
   guildID: string,
   guildDiscoverySplash: string
 ) =>
-  `${DISCORD_CDN_URL}/discovery-splashes/${guildID}/${guildDiscoverySplash}.png	`
+  `${DISCORD_CDN_URL}/discovery-splashes/${guildID}/${guildDiscoverySplash}`
 const GUILD_BANNER = (guildID: string, guildBANNER: string) =>
-  `${DISCORD_CDN_URL}/banners/${guildID}/${guildBANNER}.png`
+  `${DISCORD_CDN_URL}/banners/${guildID}/${guildBANNER}`
 const DEFAULT_USER_AVATAR = (iconID: string) =>
-  `${DISCORD_CDN_URL}/embed/avatars/${iconID}.png`
+  `${DISCORD_CDN_URL}/embed/avatars/${iconID}`
 const USER_AVATAR = (userID: string, iconID: string) =>
-  `${DISCORD_CDN_URL}/avatars/${userID}/${iconID}.png`
+  `${DISCORD_CDN_URL}/avatars/${userID}/${iconID}`
 const APPLICATION_ASSET = (applicationID: string, assetID: number) =>
-  `${DISCORD_CDN_URL}/app-icons/${applicationID}/${assetID}.png`
+  `${DISCORD_CDN_URL}/app-icons/${applicationID}/${assetID}`
 const ACHIEVEMENT_ICON = (
   applicationID: string,
   achievementID: string,
   iconHASH: string
 ) =>
-  `${DISCORD_CDN_URL}/app-assets/${applicationID}/achievements/${achievementID}/icons/${iconHASH}.png`
+  `${DISCORD_CDN_URL}/app-assets/${applicationID}/achievements/${achievementID}/icons/${iconHASH}`
 const TEAM_ICON = (teamID: string, iconID: string) =>
-  `${DISCORD_CDN_URL}/team-icons/${teamID}/${iconID}.png`
+  `${DISCORD_CDN_URL}/team-icons/${teamID}/${iconID}`
 
 //Emoji Endpoints
 const EMOJI = (guildID: string, emojiID: string) =>
diff --git a/src/types/gatewayTypes.ts b/src/types/gatewayTypes.ts
index 11a232c..59782d5 100644
--- a/src/types/gatewayTypes.ts
+++ b/src/types/gatewayTypes.ts
@@ -1,6 +1,7 @@
 // https://discord.com/developers/docs/topics/opcodes-and-status-codes#gateway
 // https://discord.com/developers/docs/topics/gateway#commands-and-events-gateway-events
 import { Emoji } from '../structures/emoji.ts'
+import { Member } from '../structures/member.ts'
 import { Role } from '../structures/role.ts'
 import { User } from '../structures/user.ts'
 import { MemberPayload } from './guildTypes.ts'
@@ -360,6 +361,7 @@ interface ActivityAssets {
   small_image?: string
   small_text?: string
 }
+
 interface ActivitySecrets {
   join?: string
   spectate?: string
@@ -375,5 +377,24 @@ enum ActivityFlags {
   PLAY = 1 << 5
 }
 
+interface TypeStart {
+  channel_id: string
+  guild_id?: string
+  user_id: string
+  timestamp: number
+  member?: Member
+}
+
+interface VoiceServerUpdate {
+  token: string
+  guild_id: string
+  endpoint: string
+}
+
+interface WebhooksUpdate {
+  guild_id: string
+  channel_id: string
+}
+
 //https://discord.com/developers/docs/topics/gateway#typing-start-typing-start-event-fields
 export { GatewayCloseCodes, GatewayOpcodes, GatewayIntents, GatewayEvents }