Open your project in RPG Maker MV
Go to the Database
Open the Actors tab
Click a blank actor slot or select an existing actor
Set the actor’s name, class, nickname, profile, and graphics
Configure the actor’s initial equipment and traits if needed
Click OK to save the actor data
Open the map where you want the actor to join
Create an event
Add a command to change the party
Select Add Actor
Choose the actor you created
Set any conditions or switches if needed
Save the event
Test the game to confirm the actor is added to the party