Parameters

save [posname] - Saves your current position as [posname]. This cannot be another name that already exists.
goto [posname] - Teleports you to a saved position. This can only be used if cheats are enabled.
get [posname] - Sends a chat with the position name, dimension, and coordinates.
getall - Sends a chat with all position names, dimensions, and coordinates.
remove [posname] - Removes the saved position from savedpositions.json.
rename [posname] [newname] - Renames [posname] to [newname]. This also cannot be an already existing name.
update [posname] - Updates [posname] with your current position.

Description

This command allows you to edit any positions you saved so you don't need to write it down somewhere else.
Requires cheats: no
Positions are saved per-player in a compoundtag

4.8.4: (Re-)introduced command.
5.0.0: Added parameter overwrite.
11.2.0: Revamped position-saving to use a compoundtag instead of a file stored in the worlds file path