[PyMOL] help with PyMOL rename command

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Hi need help with PyMOL rename command:

 

from https://pymolwiki.org/index.php/Rename :


Rename

 
rename creates new atom names which are unique within residues.
 


USAGE


CURRENT

rename object-name [ ,force ]
force = 0 or 1 (default: 0)


PROPOSED

rename object-or-selection,force



NOTES

To regerate only some atom names in a molecule, first clear them with an "alter (sele),name=“ commmand, then use "rename”
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Does 'rename test' create 'test' atom name ??

If so how do I apply it to a selection ?

I know how to use set_name to change an object/selection name : https://pymolwiki.org/index.php/Set_name

or alter to change a property over a selection : https://pymolwiki.org/index.php?title=Alter&redirect=no


Cannot figure out how rename works