n></p>
              <p><span class="ts3">You can test whether the TO structure has a display field using </span><a href="relationloopexpressiontokens.htm#TO_DISPLAY_FIELD" class="hs3">&lt;IF TO_DISPLAY_FIELD&gt;</a><span class="ts3">.</span></p>
              <p><span class="ts3">&nbsp;</span></p>
              <p class="ps2"><span class="ts3">Alternates:</span></p>
              <p class="ps2"><span class="ts4">&lt;relation_tostructure_display_field&gt; &lt;Relation_Tostructure_Display_Field&gt; &lt;R