3rd Gen What is this code Change player name do?

[Champion Red]

What is this code Change player name do? Does it change the character name or the trainer card?

 

[enyce]

Its pretty obvious dont you think

 

[Champion Red]

Does it change the id trainer card or the trainer name? Is there a code for changing the name of the character/trainer anyway in ruby sapphire emerald or fire red leaf green?

 

[Ultimate_Evil]

it does as it says it changes the player name but you have to look at your trainer card to change it.

 

[Champion Red]

How does it work i put in the code and nothing happens what should i do?