class="el" href="group__micro_types.html#ga417ace5dc09fe8a2f6fd3882302a37c4">microRequest</a> *req, const char *key, const char *value)</td></tr>
<tr class="memdesc:ga6a6fa30291301abf54e25a24fde7e293"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a header to the underlying NATS request message.  <br /></td></tr>
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