[Player Tracker Scoreboard Help]

I am using This for a player tracker I wanted some help

command /track:
    trigger:
        set {x} to player's x-coordinates
        set {z} to player's z-coordinates
        set name of sidebar of player to "&6Survivor Cords!"
#loop need to go here to refresh Board and update player cords 
        set score "Mraehal:" in sidebar of player to {x}
        set score "Mraehal2:" in sidebar of player to {z}
        wait 10 seconds
        wipe player's sidebar
command /Backup:
    trigger:
        set {x} to player's x-coordinates
        set {z} to player's z-coordinates
        #set {x1} to player2'sx-coordinates#set player2 cords
        #set {z2} to player2's z-coordinates#set player 2 cords 
        set name of sidebar of player to "&6Hello oreboards!"
        set score "raehal:" in sidebar of player to {x}
        set score "raehal2:" in sidebar of player to {z}
        wait 10 seconds
        wipe player's sidebar
    # i need help getting it to track multiple player I can only get it to do it for me not able to see my freinds cords 

[Player Coordinate List]

I am trying to make a player tracker that list players cordinatees in the scoreboard for a game we are making on our sever . I am using the commands listed in the video in game and i want to do this in the scoreboard how could i do this . I am using Sk and skyfall skquery