%S &lt;room1&gt;[ &lt;key1&gt;][,&lt;room2&gt;[ &lt;key2&gt;]]*: Enter one or more channels, optionally providing a channel key for each if needed.
%S &lt;seomra1&gt;[ &lt;eochair1&gt;][,&lt;seomra2&gt;[ &lt;eochair2&gt;]]*: Cuir isteach cainéal nó cainéil, in éineacht le heochracha más gá.