if the searches are otherwise identical, then you can just use the multiselect value with the n token to avoid formatting it, and set the value to a single space when you don't want it to contain anything of significance. Your search would look more or less like this: "search with a token inside" $multiselect_value2|n$ And the checkbox like this: <input type="checkbox" token="test_checkbox">
<choise value="true">Enable</choise>
<change>
<condition match="$test_checkbox$="true"">
<set token="multiselect_value2">$multiselect_value$</set>
</condition>
<condition>
<set token="multiselect_value2"></set>
</condition>
</change>
</input> That could be made slightly simpler, but that would work.
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