diamonds instead of inventory for code blocks

[GalaxytedNotYT]

hello I see in some tutorials they have a diamond and when they right click it, it opens a menu with blocks, instead of them going to their inv to get the blocks, I saw them type /compact but for me it errors, is it removed now?

 

[GalaxytedNotYT]

i asked for help in chat and found out, no need to reply

 

[Jeremaster]

For anyone's future reference: The command is /rc

 

[ARMcPro]

For anyone's future reference: The command is /rc

ok jeremaster one oh three

 

[GalaxytedNotYT]

For anyone's future reference: The command is /rc

thanks for the help, but as I said, I asked on chat and they told me it was /rc, thanks for the reply tho.