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< h1 id = "dev_page_title" > account.updateUsername< / h1 >
< div id = "dev_page_content" > < p > Changes username for the current user.< / p >
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< li > < a href = "?layer=1" > 1 – Base layer< / a > < / li > < li > < a href = "?layer=2" > 2 – New userpic notifications< / a > < / li > < li > < a href = "?layer=3" > 3 – Send message can trigger link change< / a > < / li > < li > < a href = "?layer=4" > 4 – Check-in chats< / a > < / li > < li > < a href = "?layer=5" > 5 – Localized SMS, localized notifications< / a > < / li > < li > < a href = "?layer=6" > 6 – Foursquare integration< / a > < / li > < li > < a href = "?layer=7" > 7 – Added wallPaperSolid< / a > < / li > < li > < a href = "?layer=8" > 8 – Added end-to-end encryption< / a > < / li > < li > < a href = "?layer=9" > 9 – Improved big files upload perfomance< / a > < / li > < li > < a href = "?layer=10" > 10 – Improved chat participants updates< / a > < / li > < li > < a href = "?layer=11" > 11 – Improved secret chats< / a > < / li > < li > < a href = "?layer=12" > 12 – New dynamic support< / a > < / li > < li > < a href = "?layer=13" > 13 – Audio, video MIME; contacts import retry; new secret actions< / a > < / li > < li > < a href = "?layer=14" > 14 – Notify settings sync, blacklist sync< / a > < / li > < li > < a href = "?layer=15" > 15 – Modified getHistory offset behaviour< / a > < / li > < li > < a href = "?layer=16" > 16 – Split sendCode into 2 parts< / a > < / li > < li > < a href = "?layer=17" > 17 – Added custom typing, introduced message flags< / a > < / li > < li > < a href = "?layer=18" > 18 – Added usernames< / a > < / li > < li > < a href = "?layer=23" > 23 – Stickers for secret chats< / a > < / li > < li > < a href = "?layer=105" > 105 – Scheduled messages, Cloud themes< / a > < / li > < li > < a href = "?layer=108" > 108 – Login with QR code< / a > < / li > < li > < a href = "?layer=109" > 109 – Polls v2< / a > < / li > < li > < a href = "?layer=110" > 110 – People Nearby 2.0, Bank card entity< / a > < / li > < li > < a href = "?layer=111" > 111 – Folders, Broadcast Stats< / a > < / li > < li > < a href = "?layer=112" > 112 – Old featured stickers, generic dice, poll timer, poll solution< / a > < / li > < li > < a href = "?layer=113" > 113 – PSA< / a > < / li > < li > < a href = "?layer=114" > 114 – Video thumbs for GIFs< / a > < / li > < li > < a href = "?layer=115" > 115 – Peek Channel Invite< / a > < / li > < li > < a href = "?layer=116" > 116 – Group Stats, Profile Videos< / a > < / li > < li > < a href = "?layer=117" > 117 – WebRTC Phone Calls< / a > < / li > < li > < a href = "?layer=118" > 118 – Callback with 2FA, Countries list< / a > < / li > < li > < a href = "?layer=119" > 119 – Comments in channels, Threads, Anonymous Admins< / a > < / li > < li > < a href = "?layer=120" > 120 – Multipins, Message Stats, GeoLive v2< / a > < / li > < li > < a href = "?layer=121" > 121 – SVG-based Outlines for Stickers< / a > < / li > < li > < a href = "?layer=122" > 122 – Voice Chats< / a > < / li > < li > < a href = "?layer=123" > 123 – Voice Chat improvements< / a > < / li > < li > < a href = "?layer=124" > 124 – Expiring Invite links< / a > < / li > < li > < a href = "?layer=125" > 125 – Voice Chats in Broadcasts< / a > < / li > < li > < a href = "?layer=126" > 126 – Ban channels in channels< / a > < / li > < li > < a href = "?layer=127" > 127 – Payments in channels< / a > < / li > < li > < a href = "?layer=128" > 128 – Microthumbs for User/Chat profile photos< / a > < / li > < li > < a href = "?layer=129" > 129 – Video Chats< / a > < / li > < li > < a href = "?layer=130" > 130 – Custom placeholder for bot reply keyboards< / a > < / li > < li > < a href = "?layer=131" > 131 – Reset 2FA Password after a week< / a > < / li > < li > < a href = "?layer=132" > 132 – Chat themes< / a > < / li > < li > < a href = "?layer=133" > 133 – 64-bit IDs for User/Chat< / a > < / li > < li > < a href = "?layer=134" > 134 – Chat Requests, Shared Media Calendar< / a > < / li > < li > < a href = "?layer=135" > 135 – Send Message As a Channel< / a > < / li > < li > < a href = "?layer=136" > 136 – Reactions< / a > < / li > < li > < a href = "?layer=137" > 137 – Translations< / a > < / li > < li > < a href = "?layer=138" > 138 – GIF Sticker Packs< / a > < / li > < li > < a href = "?layer=139" > 139 – RTMP streaming< / a > < / li > < li > < a href = "?layer=140" > 140 – WebApps, Cloud Ringtones< / a > < / li > < li > < a href = "?layer=142" > 142 – TCP Reflectors< / a > < / li > < li > < a href = "?layer=143" > 143 – Premium Subscription, Cloud Invoices< / a > < / li > < li > < a href = "?layer=144" > 144 – Premium as a Gift, Custom Emoji< / a > < / li > < li > < a href = "?layer=145" > 145 – Custom Reactions, Statuses, Sign In with email< / a > < / li > < li > < a href = "?
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< pre class = "page_scheme" > < code > < a href = "/constructor/userEmpty" > userEmpty< / a > #d3bc4b7a id:< a href = "/type/long" > long< / a > = < a href = "/type/User" > User< / a > ;
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< a href = "/constructor/user" > user< / a > #215c4438 flags:< a href = "/type/%23" > #< / a > self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true apply_min_photo:flags.25?true fake:flags.26?true bot_attach_menu:flags.27?true premium:flags.28?true attach_menu_enabled:flags.29?true flags2:< a href = "/type/%23" > #< / a > bot_can_edit:flags2.1?true close_friend:flags2.2?true stories_hidden:flags2.3?true stories_unavailable:flags2.4?true id:< a href = "/type/long" > long< / a > access_hash:flags.0?< a href = "/type/long" > long< / a > first_name:flags.1?< a href = "/type/string" > string< / a > last_name:flags.2?< a href = "/type/string" > string< / a > username:flags.3?< a href = "/type/string" > string< / a > phone:flags.4?< a href = "/type/string" > string< / a > photo:flags.5?< a href = "/type/UserProfilePhoto" > UserProfilePhoto< / a > status:flags.6?< a href = "/type/UserStatus" > UserStatus< / a > bot_info_version:flags.14?< a href = "/type/int" > int< / a > restriction_reason:flags.18?< a href = "/type/Vector%20t" > Vector< / a > < < a href = "/type/RestrictionReason" > RestrictionReason< / a > > bot_inline_placeholder:flags.19?< a href = "/type/string" > string< / a > lang_code:flags.22?< a href = "/type/string" > string< / a > emoji_status:flags.30?< a href = "/type/EmojiStatus" > EmojiStatus< / a > usernames:flags2.0?< a href = "/type/Vector%20t" > Vector< / a > < < a href = "/type/Username" > Username< / a > > stories_max_id:flags2.5?< a href = "/type/int" > int< / a > color:flags2.8?< a href = "/type/PeerColor" > PeerColor< / a > profile_color:flags2.9?< a href = "/type/PeerColor" > PeerColor< / a > = < a href = "/type/User" > User< / a > ;
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---functions---
< a href = "/method/account.updateUsername" class = "current_page_link" > account.updateUsername< / a > #3e0bdd7c username:< a href = "/type/string" > string< / a > = < a href = "/type/User" > User< / a > ;< / code > < / pre > < / p >
< h3 > < a class = "anchor" href = "#parameters" id = "parameters" name = "parameters" > < i class = "anchor-icon" > < / i > < / a > Parameters< / h3 >
< table class = "table" >
< thead >
< tr >
< th > Name< / th >
< th style = "text-align: center;" > Type< / th >
< th > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > < strong > username< / strong > < / td >
< td style = "text-align: center;" > < a href = "/type/string" > string< / a > < / td >
< td > username or empty string if username is to be removed< br > Accepted characters: a-z (case-insensitive), 0-9 and underscores.< br > Length: 5-32 characters.< / td >
< / tr >
< / tbody >
< / table >
< h3 > < a class = "anchor" href = "#result" id = "result" name = "result" > < i class = "anchor-icon" > < / i > < / a > Result< / h3 >
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< p > < a href = "/type/User" > User< / a > < / p >
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< h3 > < a class = "anchor" href = "#possible-errors" id = "possible-errors" name = "possible-errors" > < i class = "anchor-icon" > < / i > < / a > Possible errors< / h3 >
< table class = "table" >
< thead >
< tr >
< th > Code< / th >
< th > Type< / th >
< th > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > 400< / td >
< td > USERNAME_INVALID< / td >
< td > The provided username is not valid.< / td >
< / tr >
< tr >
< td > 400< / td >
< td > USERNAME_NOT_MODIFIED< / td >
< td > The username was not modified.< / td >
< / tr >
< tr >
< td > 400< / td >
< td > USERNAME_OCCUPIED< / td >
< td > The provided username is already occupied.< / td >
< / tr >
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< tr >
< td > 400< / td >
< td > USERNAME_PURCHASE_AVAILABLE< / td >
< td > The specified username can be purchased on < a href = "https://fragment.com" > https://fragment.com< / a > .< / td >
< / tr >
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