how can i customize it for my own

[Hujjat]

Hi,
Really it is a cool project I love it
Please Help me to customize it for my own just a few options

i want to have a new page or in place of new goup I want to have new customer
and it must have 7 input.
and i new to codeigniter.

1 for name *
2 for Last Name *
3 for Phone *
4 for email
5 empty ( text field i well name that)
6 empty ( text field i well name that)
7 it should be like Status of user ( active & deactive )

Please Please help me i need this

thank's alot