Returns the name and endpoint URL of all callback services associated with a given account.
| Parameter | Type | Description | 
|---|---|---|
| AccountName required | string | The name of the account for which a list of registered callback services will be returned. An account name is usually numeric, and must include any leading zeros. | 
| Parameter | Type | Description | 
|---|---|---|
| Registrations | CallbackRegistration | A list of URLs that are registered for callback services for the account. | 
| AccountName | string | The name of the account for which callback messages will be sent. | 
| ServiceName | string | The name of the callback service, which identifies the type and format of messages that will be sent to the registered URL. | 
| Url | string | The address of the callback listening service where the ThingSpace Platform will send callback messages for the service type. | 
| Username | string | The username defined when a URL was registered for a specific callback service, or an empty element if no username was defined. | 
| Password | string | The password defined when a URL was registered for a specific callback service, or an empty element if no password was defined. | 
| ExtendedAttributes | ExtendedAttributesObj | Any extended attributes configured for the callback service. | 
| Key | string | The key for an extended attribute. | 
| Value | string | The value of an extended attribute. | 
<soapenv:Envelope 
  xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" 
  xmlns:v2="http://nphase.com/unifiedwebservice/v2" 
  xmlns:nph="http://schemas.datacontract.org/2004/07/NPhase.UnifiedWebService.APIs.v2.Contract.CallbackRegistrationService">
  <soapenv:Header>
    <v2:token>current_session_token</v2:token>
  </soapenv:Header>
  <soapenv:Body>
    <v2:GetCallbackRegistrations>
      <v2:Input>
        <nph:AccountName>account_name</nph:AccountName>
      </v2:Input>
    </v2:GetCallbackRegistrations>
  </soapenv:Body>
</soapenv:Envelope>
  
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
  <s:Body>
    <GetCallbackRegistrationsResponse xmlns="http://nphase.com/unifiedwebservice/v2">
      <Output xmlns:a="http://schemas.datacontract.org/2004/07/NPhase.UnifiedWebService.APIs.v2.Contract.CallbackRegistrationService" 
        xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
        <a:Registrations>
          <a:CallbackRegistration>
            <a:AccountName>account_name</a:AccountName>
            <a:ServiceName>DeviceUsage</a:ServiceName>
            <a:Url>http://10.120.102.183:50559/Callback/API/CallbackService.asmx</a:Url>
            <a:Username/>
            <a:Password/>
            <a:ExtendedAttributes i:nil="true" xmlns:b="http://schemas.datacontract.org/2004/07/NPhase.UnifiedWebService.APIs.v2.Contract.Common"/>
          </a:CallbackRegistration>
          <a:CallbackRegistration>
            <a:AccountName>account_name</a:AccountName>
            <a:ServiceName>CarrierService</a:ServiceName>
            <a:Url>http://10.120.102.147:50569/Callback/API/CallbackService.asmx</a:Url>
            <a:Username/>
            <a:Password/>
            <a:ExtendedAttributes i:nil="true" xmlns:b="http://schemas.datacontract.org/2004/07/NPhase.UnifiedWebService.APIs.v2.Contract.Common"/>
          </a:CallbackRegistration>
        </a:Registrations>
      </Output>
    </GetCallbackRegistrationsResponse>
  </s:Body>
</s:Envelope>
   
  