//Code to Create a keyboard onscreen for you to type in you new license plate
//Hope This Helps! (Not sure where i found this but credit to whoever made this code)

Ped playerPed = PLAYER::PLAYER_PED_ID();

// No point in displaying the keyboard if they aren't in a vehicle
if (!PED::IS_PED_IN_ANY_VEHICLE(playerPed, false)) return;

// Invoke keyboard
GAMEPLAY::DISPLAY_ONSCREEN_KEYBOARD(true, "", "", VEHICLE::GET_VEHICLE_NUMBER_PLATE_TEXT(PED::GET_VEHICLE_PED_IS_IN(playerPed, false)), "", "", "", 9);

// Wait for the user to edit
while (GAMEPLAY::UPDATE_ONSCREEN_KEYBOARD() == 0) WAIT(0);

// Make sure they didn't exit without confirming their change, and that they're still in a vehicle
if (!GAMEPLAY::GET_ONSCREEN_KEYBOARD_RESULT() || !PED::IS_PED_IN_ANY_VEHICLE(playerPed, false)) return;

// Update the licenseplate
VEHICLE::SET_VEHICLE_NUMBER_PLATE_TEXT(PED::GET_VEHICLE_PED_IS_IN(playerPed, false), GAMEPLAY::GET_ONSCREEN_KEYBOARD_RESULT());