2018-04-05_16.04.47

How to use the /setblock Command [Advanced]

go near the block and type /setblock then the Coordinates which could be -456 34 -127 so press tab not 1 not 2 but 3 times and you can type minecraft: and then the block Id which could be air, wool with number 1 witch means white or crafting_table then hit enter. OK