Send agreement request to customer
{- "customerName": "string",
 - "customerAccIdentifier": {
- "Alias": {
- "aliasType": "Phone",
 - "value": "string"
 
} 
}, - "terms": {
- "AgreementRequestTermsOneOff": {
- "amount": {
- "amount": 0,
 - "currency": "AUD"
 
} 
} 
}, - "purpose": "Mortgage"
 
}{- "token": "string"
 
}