&nbsp;preflight(java.lang.String&nbsp;userName,
                                                      io.vertx.core.json.JsonObject&nbsp;incoming)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../com/hcl/domino/keep/dbrequests/AsyncDominoBase.html#preflight-java.lang.String-io.vertx.core.json.JsonObject-">AsyncDominoBase</a></code></span></div>
<div class="block"><p>Preflight is called BEFORE we establish a NotesSession/Database