# `MDEx.CalloutTitle`
[🔗](https://github.com/leandrocp/mdex/blob/v0.14.5/lib/mdex/document.ex#L3683)

A custom Markdown callout title. Must be the first child of `MDEx.Callout`.

The children are blocks, not just inline nodes; headings are supported too.

# `t`

```elixir
@type t() :: %MDEx.CalloutTitle{nodes: [MDEx.Document.md_node()], sourcepos: term()}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*