My first thought was to use the Macro Recorder and capture the command that way (after enabling the recorder from options and restarting LibreOffice--OK, I should probably mention here that I'm actually using LibreOffice 6.1). However, it appears that macro recording is not available to Impress. I can see the recorder in Writer but not in Impress. So much for that idea.
I was able to find a reference to it in the source code. The menu has it like this:
Code: Select all
<node oor:name=".uno:PresentationMinimizer" oor:op="replace">
<prop oor:name="Label" oor:type="xs:string">
<value xml:lang="en-US">Minimize ~Presentation...</value>
</prop>
<prop oor:name="Properties" oor:type="xs:int">
<value>1</value>
</prop>
</node>