For AI agents: markdown of this page — /docs-content-en/bots/messages/formatting.md documentation index — /llms.txt

Text formatting (BB-codes)

Message text supports BB-codes for styling. Use them in the fields.message field when sending and updating messages.

List of BB-codes

Code Description Example
[B]...[/B] Bold text [B]Important[/B]
[I]...[/I] Italic [I]note[/I]
[U]...[/U] Underlined [U]attention[/U]
[S]...[/S] Strikethrough [S]deprecated[/S]
[URL=link]text[/URL] Hyperlink [URL=https://example.com]Open[/URL]
[CODE]...[/CODE] Code block (monospace font) [CODE]console.log('hi')[/CODE]
[BR] or \n Line break —
[SEND=value]text[/SEND] Click sends the value as a message [SEND=/help]Help[/SEND]
[PUT=value]text[/PUT] Insert text into the input field (without sending) [PUT=/search ]Search[/PUT]
[IMG]link[/IMG] Inline image [IMG]https://example.com/pic.png[/IMG]
[CALL=number]text[/CALL] Call link [CALL=+12025550123]Call[/CALL]
[SIZE=number]...[/SIZE] Text size [SIZE=18]Heading[/SIZE]
[COLOR=color]...[/COLOR] Text color (HEX or name) [COLOR=#ff0000]Red[/COLOR]

Example

JSON 
{
  "dialogId": "chat123",
  "fields": {
    "message": "[B]Task #42[/B]\nStatus: [COLOR=#00aa00]done[/COLOR]\n[URL=https://portal.bitrix24.com/tasks/42/]Open task[/URL]\n\n[SEND=/status 42]Update status[/SEND]"
  }
}

See also