How to create email contact point?

hi all,
can someone show me how to properly create an email contact point for a customer.

my current code is pasted below. everything works ok except for the contact point part and i receive no error but can't see the data via front-end as well.

---

declare
  p_organization_rec        HZ_PARTY_V2PUB.organization_rec_type;
  p_cust_account_rec        HZ_CUST_ACCOUNT_V2PUB.cust_account_rec_type;
  p_customer_profile_rec    HZ_CUSTOMER_PROFILE_V2PUB.customer_profile_rec_type;
  p_cust_acct_site_rec      HZ_CUST_ACCOUNT_SITE_V2PUB.cust_acct_site_rec_type;
  p_location_rec            HZ_LOCATION_V2PUB.location_rec_type;