> ## Knowledge Base Index > Fetch the complete knowledge base index at: https://help.whaller.com/sitemap.xml > Use this file to discover available pages before exploring further. > Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash). # How to format your messages with Markdown On Whaller you can personalize your texts (messages, comments, Markdown widgets, charters, profile bio, invitation email) using Markdown. Below is a guide for the syntax to use: ## Headings ``` # Heading level 1 ## Heading level 2 ### Heading level 3``` ## Colors ``` a text in red a text in blue ua text in green``` ## Lists ``` Unordered list * First item * Second item  * Indented item  * Indented item  * Third item Ordered list1. 1. First item 1. Second item ``` ## Image* ``` ![alternative text](d86f3fa1-7e73-43b4-af03-77f527b46405)``` ## Blockquote* ``` > my quote``` ## Horizontal line ``` ---``` ## Link  ``` [Whaller](https://whaller.com)``` ## Link to an article Search and share a CMS article directly from a sphere. ![](https://storage.crisp.chat/users/helpdesk/website/7583eaf33d7a1c00/1c7b90a5-6f89-4140-8834-55db65_ygk4c2.png) ## Emphasis ``` _italicized text_ or *italicized text* __bold text__ or **bold text** ___bold and italicized text___ or ***bold and italicized text*** ``` ## Table To create a table you must place a dash (-) under the header row and separate the columns with "|". You can also specify the alignment by using ":" . ``` | Left-aligned | Center | Right-aligned | |:-|:-:|-:| | Left aligned | this text | Right aligned | | Left aligned | is | Right aligned | | Left aligned | centered | Right aligned | ``` [Generate a table from a spreadsheet](https://www.tablesgenerator.com/markdown_tables) ## Email address*  ```  ``` ## Emojis ``` :wink: :boom: :camel:``` ## Formatted code ``` `code en line` ``` ``` ` ` ` code en paragraph ` ` ` ``` ## List of definitions ``` Title : Item 1 : Item 2 ``` ## HTML It is also possible to write HTML, however only the following tags are accepted: * [a](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a) * [abbr](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/abbr) * [acronym](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/acronym) * [address](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/address) * [b](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/b) * [big](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/big) * [blockquote](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/blockquote) * [br](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/br) * [caption](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/caption) * [center](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/center) * [cite](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/cite) * [code](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/code) * [col](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/col) * [colgroup](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/colgroup) * [details](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/details) * [dfn](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dfn) * [dl](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dl) * [dt](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dt) * [em](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/em) * [font](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/font) * [h1](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements) * [h2](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements) * [h3](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements) * [h4](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements) * [h5](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements) * [h6](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements) * [hr](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/hr) * [i](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/i) * [img](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img) * [li](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/li) * [mark](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/mark) * [ol](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/ol) * [p](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/p) * [pre](https://developer.mozilla.org/en/docs/Web/HTML/Element/pre) * [progress](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/progress) * [q](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/q) * [small](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/small) * [span](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/span) * [strong](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/strong) * [sub](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/sub) * [sup](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/sup) * [table](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/table) * [tbody](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/tbody) * [td](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/td) * [th](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/th) * [thead](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/thead) * [tr](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/tr) * [u](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/u) * [ul](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/ul) * [wbr](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/wbr) _*Formatting not available in messages._