Edit the Email Body
Nintex eSign supports the use of a simplistic syntax called Markdown for editing email content. Markdown provides shortened and intuitive mechanisms to create stylized content. Using HTML is also supported for the content of emails. It is important to understand that content written in Markdown is converted to HTML when the email is sent; therefore, you can write the content in a simpler format and accomplish the same thing as would be required with lengthier HTML content. However, you always have the option of writing more advanced content using HTML.
Remember that the way HTML in an email is rendered depends on the email application used to view it.
To write sentences and paragraphs, simply write them in the editor window. You can view the expected output in the real-time preview window shown below the content editor window. In addition, to create the structure for some advanced elements (like links, image references, and lists) you may use the options available on the toolbar above the editor window.

Using *single asterisks* renders italic text:
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single asterisks
Using **double asterisks** renders bold text:
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double asterisks

Headers use 1-6 hash characters at the start of the line, corresponding to header levels 1-6.
For example:
Using "## H2" text renders:
H2 text
Using "### H3" text renders:
H3 text

Links are written in Markdown using square brackets for the text to display, followed by the URL inside parentheses:
[Example](http://example.com)

Images use the Markdown syntax for Links, but include a ! at the beginning of the square brackets:
 renders the image in the email inline.
We do not support mechanisms for embedding images as attachments within an email. In addition, remember that many email client applications may block images.

Merge Fields Overview are added by either selecting them from the Merge Field list, or directly writing them. It is possible to mix in Merge Fields into the Markdown syntax.
So, for example, the signing link may be written in Markdown as:
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[Sign Here]([Link - Document Signing])
To use a Merge Field as the text, use the Merge Field syntax inside the square brackets:
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[Sign [Document Name] here]([Link - Document Signing])

You may use HTML when editing the email content to accomplish certain styles.
For example:
<span style="font-family:arial;color:red;font-size:20px;">custom text style.</span> renders as
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custom text style.