+=item change_pkg
+
+Changes a package for this customer.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item pkgnum
+
+Existing customer package.
+
+=item pkgpart
+
+New package to order (see L<FS::part_pkg>).
+
+=item quantity
+
+Quantity for this package order (default 1).
+
+=back
+
+Returns a hash reference with the following keys:
+
+=over 4
+
+=item error
+
+Empty on success, or an error message on errors.
+
+=item pkgnum
+
+On success, the new pkgnum
+
+=back
+
+
+=item renew_info
+
+Provides useful info for early renewals.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=back
+
+Returns a hash reference. On errors, it contains a single key, B<error>, with
+the error message. Otherwise, contains a single key, B<dates>, pointing to
+an array refernce of hash references. Each hash reference contains the
+following keys:
+
+=over 4
+
+=item bill_date
+
+(Future) Bill date. Indicates a future date for which billing could be run.
+Specified as an integer UNIX timestamp. Pass this value to the B<order_renew>
+function.
+
+=item bill_date_pretty
+
+(Future) Bill date as a human-readable string. (Convenience for display;
+subject to change, so best not to parse for the date.)
+
+=item amount
+
+Base amount which will be charged if renewed early as of this date.
+
+=item renew_date
+
+Renewal date; i.e. even-futher future date at which the customer will be paid
+through if the early renewal is completed with the given B<bill-date>.
+Specified as an integer UNIX timestamp.
+
+=item renew_date_pretty
+
+Renewal date as a human-readable string. (Convenience for display;
+subject to change, so best not to parse for the date.)
+
+=item pkgnum
+
+Package that will be renewed.
+
+=item expire_date
+
+Expiration date of the package that will be renewed.
+
+=item expire_date_pretty
+
+Expiration date of the package that will be renewed, as a human-readable
+string. (Convenience for display; subject to change, so best not to parse for
+the date.)
+
+=back
+
+=item order_renew
+
+Renews this customer early; i.e. runs billing for this customer in advance.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item date
+
+Integer date as returned by the B<renew_info> function, indicating the advance
+date for which to run billing.
+
+=back
+
+Returns a hash reference with a single key, B<error>, empty on success, or an
+error message on errors.
+
+=item cancel_pkg
+
+Cancels a package for this customer.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item pkgpart
+
+pkgpart of package to cancel
+
+=item date
+
+Optional date, for future cancellation (expiration) instead of immediate
+cancellation. Specified as an integer UNIX timestamp ("epoch time").
+
+=back
+
+Returns a hash reference with a single key, B<error>, empty on success, or an
+error message on errors.
+
+=item provision_acct
+
+Provisions an account (svc_acct).
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item pkgnum
+
+pkgnum of package into which this service is provisioned
+
+=item svcpart
+
+svcpart or service definition to provision
+
+=item username
+
+=item domsvc
+
+=item _password
+
+=back
+
+=item provision_phone
+
+Provisions a phone number (svc_phone).
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item pkgnum
+
+pkgnum of package into which this service is provisioned
+
+=item svcpart
+
+svcpart or service definition to provision
+
+=item countrycode
+
+=item phonenum
+
+=item address1
+
+=item address2
+
+=item city
+
+=item county
+
+=item state
+
+=item zip
+
+=item country
+
+E911 Address (optional)
+
+=back
+
+=item provision_pbx
+
+Provisions a customer PBX (svc_pbx).
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item pkgnum
+
+pkgnum of package into which this service is provisioned
+
+=item svcpart
+
+svcpart or service definition to provision
+
+=item id
+
+=item title
+
+=item max_extensions
+
+=item max_simultaneous
+
+=item ip_addr
+
+=back
+
+=item provision_external
+
+Provisions an external service (svc_external).
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+Session identifier
+
+=item pkgnum
+
+pkgnum of package into which this service is provisioned
+
+=item svcpart
+
+svcpart or service definition to provision
+
+=item id
+
+=item title
+
+=back
+
+=back
+
+=head2 "MY ACCOUNT" CONTACT FUNCTIONS
+
+=over 4
+
+=item contact_passwd
+
+Changes the password for the currently-logged in contact.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+=item new_password
+
+=back
+
+Returns a hash reference with a single parameter, B<error>, which contains an
+error message, or empty on success.
+
+=item list_contacts
+
+Takes a hash reference as parameter with a single key, B<session_id>.
+
+Returns a hash reference with two parameters: B<error>, which contains an error
+message, or empty on success, and B<contacts>, a list of contacts.
+
+B<contacts> is an array reference of hash references (i.e. an array of structs,
+ in XML-RPC). Each hash reference (struct) has the following keys:
+
+=over 4
+
+=item contactnum
+
+=item class
+
+Contact class name (contact type).
+
+=item first
+
+First name
+
+=item last
+
+Last name
+
+=item title
+
+Position ("Director of Silly Walks"), NOT honorific ("Mr." or "Mrs.")
+
+=item emailaddress
+
+Comma-separated list of email addresses
+
+=item comment
+
+=item selfservice_access
+
+Y when enabled
+
+=back
+
+=item edit_contact
+
+Updates information for the currently-logged in contact, or (optionally) the
+specified contact.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+=item contactnum
+
+If already logged in as a contact, this is optional.
+
+=item first
+
+=item last
+
+=item emailaddress
+
+=back
+
+Returns a hash reference with a single parameter, B<error>, which contains an
+error message, or empty on success.
+
+=item new_contact
+
+Creates a new contact.
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+=item first
+
+=item last
+
+=item emailaddress
+
+=item classnum
+
+Optional contact classnum (TODO: or name)
+
+=item comment
+
+=item selfservice_access
+
+Y to enable self-service access
+
+=item _password
+
+=back
+
+Returns a hash reference with a single parameter, B<error>, which contains an
+error message, or empty on success.
+
+=item delete_contact
+
+Deletes a contact. (Note: Cannot at this time delete the currently-logged in
+contact.)
+
+Takes a hash reference as parameter with the following keys:
+
+=over 4
+
+=item session_id
+
+=item contactnum
+
+=back
+
+Returns a hash reference with a single parameter, B<error>, which contains an
+error message, or empty on success.
+
+=back
+
+=head2 "MY ACCOUNT" QUOTATION FUNCTIONS
+
+All of these functions require the user to be logged in, and the 'session_id'
+key to be included in the argument hashref.`
+
+=over 4
+
+=item list_quotations HASHREF
+
+Returns a hashref listing this customer's active self-service quotations.
+Contents are:
+
+=over 4
+
+=item quotations
+
+an arrayref containing an element for each quotation.
+
+=item quotationnum