Here are the steps to add additional data to CPIData.
<value><![CDATA[<AdditionalData
type='AdditionalData' label='Communications'>
<node attr='Email Sent' value='Date : 20/01/2007'/>
<node attr='Letter Sent' value='Date : 19/01/2007'/>
<node attr='Letter Sent' value='Date : 14/01/2007'/>
</AdditionalData>
<AdditionalData
type='AdditionalData' label='Employment'>
<node attr='Civil Service'
value='Start Date : 10/01/2000'/>
<node attr='Curam' value='Start Date : 10/01/2001'/>
<node attr='Accenture' value='Start Date : 10/01/2002'/>
<node attr='Cybertrust'
value='Start Date : 10/01/2002'/>
<node attr='Deloitte' value='Start Date : 10/01/2002'/>
</AdditionalData>
<AdditionalData type='AdditionalData'
label='Education Facilities Attended'>
<node attr='Primary School' value='Saint Johns'/>
<node attr='Secondary School' value='Hartstown CBS'/>
<node attr='University'
value='Dublin City University'/>
</AdditionalData>
<AdditionalData type='AdditionalData'
label='Qualifications'>
<node attr='Bachelor of Science Computer Applications'
value='Undergraduate Degree'/>
<node attr='Diploma Archaeology'
value='Postgraduate Diploma'/>
<node attr='Master of Science' value='Masters Degree'/>
</AdditionalData>
<AdditionalData type='AdditionalData'
label='Alternate Names'>
<node attr='Also Known As' value='Bob Muprhy'/>
<node attr='Also Known As' value='Bobby Muprhy'/>
</AdditionalData>
<AdditionalData type='AdditionalData'
label='Bank Accounts'>
<node attr='Bank of Ireland' value='555-1111'/>
<node attr='Ulster Bank' value='555-1112'/>
<node attr='AIB' value='555-1113'/>
<node attr='NIB' value='555-1114'/>
</AdditionalData>