First Item

Create your first custom Item

First

Hold the item you want to create, and use /cig create <Item ID> If successful you can see successful message.

successful message

Second

Use /cig edit gui to open GUI and edit your custom item.

Edit GUI

third

When you finish editing, click the box in the upper left corner to get the item and use command /cig save <item id> to save this custom item.

finally

and you can use your custom item enjoy in the game!!