Below is the raw XML of a dashboard we wrote about on our blog a couple of months ago. Click here to read that blog, or copy/paste this XML in your Splunk instance!

<form theme="dark">
  <label>Searching for Searches</label>
  <fieldset submitButton="true">
    <input type="text" token="search_input">
      <label>Search for field here:</label>
    </input>
  </fieldset>
  <row>
    <panel>
      <title>Dashboards</title>
      <single>
        <search>
          <query>| rest splunk_server=local /servicesNS/-/-/data/ui/views | search eai:data="*$search_input$*" | stats count</query>
          <earliest>-7d@h</earliest>
          <latest>now</latest>
        </search>
        <option name="colorMode">block</option>
        <option name="drilldown">all</option>
        <option name="height">285</option>
        <option name="rangeColors">["0xdc4e41","0x53a051"]</option>
        <option name="rangeValues">[0]</option>
        <option name="refresh.display">progressbar</option>
        <option name="useColors">1</option>
        <!--Setting the token for the hidden panel-->
        <drilldown>
          <set token="peekaboo">| rest splunk_server=local /servicesNS/-/-/data/ui/views | search eai:data="*$search_input$*" | rename author AS Author eai:acl.sharing AS Permissions eai:appName AS App eai:data AS "Dashboard XML" | fields Author Permissions App "Dashboard XML"</set>
        </drilldown>
      </single>
    </panel>
    <panel>
      <title>Saved Searches</title>
      <single>
        <search>
          <query>| rest splunk_server=local /services/saved/searches | search search="*$search_input$*" | stats count</query>
          <earliest>-24h@h</earliest>
          <latest>now</latest>
        </search>
        <option name="colorMode">block</option>
        <option name="drilldown">all</option>
        <option name="height">285</option>
        <option name="rangeColors">["0xdc4e41","0x53a051"]</option>
        <option name="rangeValues">[0]</option>
        <option name="refresh.display">progressbar</option>
        <option name="useColors">1</option>
        <!--Setting the token for the hidden panel-->
        <drilldown>
          <set token="peekaboo">| rest splunk_server=local /services/saved/searches | search search="*$search_input$*" | rename eai:acl.owner AS Author eai:acl.sharing AS Permissions eai:acl.app AS App search AS "Saved Search" | fields Author Permissions App "Saved Search"</set>
        </drilldown>
      </single>
    </panel>
    <panel>
      <title>Event Types</title>
      <single>
        <search>
          <query>| rest splunk_server=local /servicesNS/-/-/saved/eventtypes | search search="*$search_input$*" | stats count</query>
          <earliest>-24h@h</earliest>
          <latest>now</latest>
        </search>
        <option name="colorMode">block</option>
        <option name="drilldown">all</option>
        <option name="height">285</option>
        <option name="rangeColors">["0xdc4e41","0x53a051"]</option>
        <option name="rangeValues">[0]</option>
        <option name="refresh.display">progressbar</option>
        <option name="useColors">1</option>
        <!--Setting the token for the hidden panel-->
        <drilldown>
          <set token="peekaboo">| rest splunk_server=local /servicesNS/-/-/saved/eventtypes | search search="*$search_input$*" | rename eai:acl.owner AS Author eai:acl.sharing AS Permissions eai:acl.app AS App search AS "Event Type" | fields Author Permissions App "Event Type"</set>
        </drilldown>
      </single>
    </panel>
  </row>
  <row>
    <!--Here is said hidden panel-->
    <panel depends="$peekaboo$">
      <table>
        <search>
          <query>$peekaboo$</query>
          <earliest>-24h</earliest>
          <latest>now</latest>
        </search>
        <option name="drilldown">cell</option>
        <drilldown>
          <unset token="peekaboo"></unset>
        </drilldown>
      </table>
    </panel>
  </row>
</form>