updateCustomer()

This application is used to update a customer. Only sub-customer that belongs to authenticated customer can be updated. 

Implementation details:

• Any parameter from createCustomer() function can be used. All parameters are optional, but at least one should be specified.
• This function supports trusted mode in which case i_wholesaler (integer) parameter should be supplied.

Parameters:

• i_customer - i_customer of updated customer. Integer. Required.

Returns:

• result - OK means that customer has been updated successfully. String.

• XMLRPC fault in case of any error.