Elevator Sign Up by ahrnnnnnnnnnnu l

this command will give you a elevator up when you right click to make the elevator go thw the cords you want alter the command like this 

/give @p sign 1 0 {
    BlockEntityTag: {
        Text1: "{\"text\":\"Up\",\"color\":\"aqua\",\"underlined\":true,\"clickEvent\":{\"action\":\"run_command\",\"value\":\"tp @a 999 4 999\"}}"
    },
    display: {
        Name: "Custom Sign"
    }
} 

find the cords in the case i put it in i used 999 4 999 change those to the cords you want and that is how you alter the command