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Last updated Dec 22, 2025

Mark - underline

Purpose

The underline mark sets underline styling. This mark applies to text nodes.

Example

1
2
{
  "type": "text",
  "text": "Hello world",
  "marks": [
    {
      "type": "underline"
    }
  ]
}

Fields

NameRequiredTypeValue
typestring"underline"

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