api/pl.treksoft.kvision.chart/-tooltip-callback/before-label.html


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<title>TooltipCallback.beforeLabel - kvision</title>
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<a href="../../index.html">kvision</a>&nbsp;/&nbsp;<a href="../index.html">pl.treksoft.kvision.chart</a>&nbsp;/&nbsp;<a href="index.html">TooltipCallback</a>&nbsp;/&nbsp;<a href="./before-label.html">beforeLabel</a><br/>
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<h1>beforeLabel</h1>
(js) <a name="pl.treksoft.kvision.chart.TooltipCallback$beforeLabel"></a>
<code><span class="keyword">val </span><span class="identifier">beforeLabel</span><span class="symbol">: </span><span class="symbol">(</span><span class="symbol">(</span><span class="identifier">tooltipItem</span><span class="symbol">:</span>&nbsp;<span class="identifier">ChartTooltipItem</span><span class="symbol">,</span>&nbsp;<span class="identifier">data</span><span class="symbol">:</span>&nbsp;<span class="identifier">ChartData</span><span class="symbol">)</span>&nbsp;<span class="symbol">-&gt;</span>&nbsp;<span class="keyword">dynamic</span><span class="symbol">)</span><span class="symbol">?</span></code>
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