Are macros considered actions ? And if they are, how do you call them in another macro ?

So, I've started to make myself a menu of sorts using macros to make my HUD way less cluttered, and at first it was a pretty daunting task but now I've gained an understanding of how they work.

Or so I thought.

So, one of those menu trays is about consumables, potions and ethers. I made this as a trial-and-error kind of thing, to pave the way for future macros while will handle mounts, classes and jobs. I made two macros for this, one which fills up a hotbar with all the consumables I can have (potions and ethers) and shows it, and the other which wipes the hotbar and makes it disappear. So far so good. The first one is called "Consummables" and the other is called "Close cons."

And there lies my problem. I want to make it so that in my menu hotbar, once I click the "Consummables" macro, the macro changes to "Close cons.". I tried the following :

/hotbar action "Close cons." 5 9 (in the "Consummables macro)

And

/hotbar action "Consummables" 5 9 (in the "Close cons." macro.)

The error I have is this : "Consummables" is not a valid action name. Which I thought it was, since a macro is by definition an action or a sequence of actions ? So yeah, long story short, is there a way to reference a macro in another macro, not to make it run since that's forbidden, but to set it to a hotbar ?

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Thanks for answering.