Add clarification that MQTT Out requires payload to send msg

Fixes #2370
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Nick O'Leary 2019-11-21 16:56:01 +00:00
parent 64580237d5
commit aa6c0b9d6e
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@ -36,7 +36,7 @@
<h3>Inputs</h3>
<dl class="message-properties">
<dt>payload <span class="property-type">string | buffer</span></dt>
<dd> most users prefer simple text payloads, but binary buffers can also be published.</dd>
<dd> the payload to publish. If this property is not set, no message will be sent. To send a blank message, set this property to an empty String.</dd>
<dt class="optional">topic <span class="property-type">string</span></dt>
<dd> the MQTT topic to publish to.</dd>