@Nadhiyaa ,
Try this
<dashboard>
<search id="base_search_id">
<query>index=_internal earliest=-30d|stats count by sourcetype,source</query>
<done>
<set token="base_loaded">true</set>
</done>
</search>
<row rejects="$base_loaded$">
<panel>
<html>
<h1>Waiting for data ..........................</h1>
</html>
</panel>
</row>
<row>
<panel depends="$base_loaded$">
<table>
<search base="base_search_id">
<query>|fields sourcetype</query>
</search>
<option name="drilldown">none</option>
</table>
</panel>
</row>
</dashboard>
Happy Splunking!
