Welcome message

/execute @a[score_tp=1] ~ ~ ~ tellraw @a ["",{"text":"\n\n"},{"text":"Welcome,","color":"gold"},{"text":" "},{"selector":"@a[score_tp=1]","color":"green"},{"text":" "},{"text":"to the server!","color":"gold"},{"text":"\n\n "}]

/scoreboard objectives add tp stat.playOneMinute