an><span class="target" id="class_h_a_base_device_type_1a83c6f2cb90bafc63b982c7bfc5f71136"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">publishOnDataTopic</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">__FlashStringHelper</span></span><span class="w"> </span><span class="p"><span class="pre