I just opened up quest to check on this:
as the above poster said: Filter -> Show Library Elements
"put" exists as a COMMAND, but it's not set up as a verb as there's no setup with the GUI~Editor 's Tabs for it.
you may only need to add it as a display verb and~or inventory verb, for example:
player (Object) -> Object (Tab) -> display and~or inventory verb -> Add -> put
though you may also need to do this in-Code (If I got this right that the "property" attribute will make it recognized as a verb):
<command name="put">
// blah coding
<property>put</property>
// blah coding
</command>
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otherwise, as just a Command, to activate the "put" coding during game play, you'd just type this in:
put object_1 on object_2
put object_1 in object_2
for example:
put beer in fridge
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functionality-wise, the "give" and "move" Verbs are the same as the "put" Command, with the only difference that the "put" Command also has to check if the two objects are open or closed, obviously.
here's the notes from quest's "put" Command:
must be carrying object1
object1 must not be inside a closed container
object2 must not be inside a closed container
object2 must be an open container or surface
though in terms of our human language, "give beer to fridge" or "move beer to fridge", isn't proper, like "put beer in fridge" is.