#### Path point tooltip function

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*function (data, dsData): string*

A JavaScript function used to compute text or HTML code to be displayed in the path point tooltip.

**Parameters:**

<ul>
  {% include widget/lib/map/map_fn_args %}
</ul>

**Returns:**

Should return string value presenting text or HTML for the tooltip.

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{% include widget/lib/map/tooltip_fn_examples %}
