CustomPortalBuilder.beginPortal() .frameBlock(Blocks.DIAMOND_BLOCK) .lightWithItem(Items.ENDER_EYE) .destDimID(Identifier.of("the_end")) .tintColor(45,65,101) .registerPortal(); A nether portal would be registered as follows: CustomPortalBuilder.beginPortal() .frameBlock(Blocks.OBSIDIAN) .des...