sample dashboard:
<dashboard>
<label>single_test</label>
<init>
<unset>$labels$</unset>
</init>
<row>
<panel id="tables2">
<title>$titles$</title>
<single>
<search>
<query>| tstats count where index=_internal sourcetype=splunkd by PREFIX("name=")
| sort 1 - count
| rename name= as name
| eval {name}=count
| table * name count
</query>
<earliest>-24h@h</earliest>
<latest>now</latest>
<sampleRatio>1</sampleRatio>
<done>
<set token="titles">$result.name$</set>
</done>
</search>
<option name="drilldown">all</option>
<option name="refresh.display">progressbar</option>
<drilldown>
<set token="labels">$row.name$</set>
</drilldown>
</single>
</panel>
<panel id="tables1">
<html>
<style>
#tables1 {
width: 75% !important;
}
#tables2 {
width: 25% !important;
}
#tables2 .panel-title {
font-size: 32px !important;
padding: 12px 12px 7px 12px !important;
display: flex;
justify-content: center;
font-weight: bold !important;
}
</style>
<p>$labels$</p>
</html>
</panel>
</row>
</dashboard>