@YuliyaVassilyeva
Can you please try below XML?
<form>
<label>Default Year</label>
<search>
<query>| makeresults | eval current_year = strftime(now(), "%Y")</query>
<done>
<set token="current_year">$result.current_year$</set>
</done>
</search>
<fieldset submitButton="false">
<input type="dropdown" token="field1">
<label>Year Selection</label>
<choice value="2019">2019</choice>
<choice value="2020">2020</choice>
<choice value="2021">2021</choice>
<default>$current_year$</default>
</input>
</fieldset>
<row>
<panel>
<html>
Current Year: $current_year$
</html>
</panel>
</row>
</form>
