Synchronizing Folders by Using the FolderSync Command

request:

<?xml version="1.0" encoding="utf-8"?>
<FolderSync xmlns="FolderHierarchy">
  <SyncKey>0</SyncKey>
</FolderSync>

response:

<?xml version="1.0" encoding="utf-8"?>
<FolderSync xmlns="FolderHierarchy">
  <Status>1</Status>
  <SyncKey>1</SyncKey>
  <Changes>
    <Count>13</Count>
    <Add>
      <ServerId>1</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Calendar</DisplayName>
      <Type>8</Type>
    </Add>
    <Add>
      <ServerId>2</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Contacts</DisplayName>
      <Type>9</Type>
    </Add>
    <Add>
      <ServerId>3</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Deleted Items</DisplayName>
      <Type>4</Type>
    </Add>
    <Add>
      <ServerId>4</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Drafts</DisplayName>
      <Type>3</Type>
    </Add>
    <Add>
      <ServerId>5</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Inbox</DisplayName>
      <Type>2</Type>
    </Add>
    <Add>
      <ServerId>12</ServerId>
      <ParentId>5</ParentId>
      <DisplayName>NewFolder</DisplayName>
      <Type>12</Type>
    </Add>
    <Add>
      <ServerId>6</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Journal</DisplayName>
      <Type>11</Type>
    </Add>
    <Add>
      <ServerId>7</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Junk E-Mail</DisplayName>
      <Type>12</Type>
    </Add>
    <Add>
      <ServerId>8</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Notes</DisplayName>
      <Type>10</Type>
    </Add>
    <Add>
      <ServerId>9</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Outbox</DisplayName>
      <Type>6</Type>
    </Add>
    <Add>
      <ServerId>10</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Sent Items</DisplayName>
      <Type>5</Type>
    </Add>
    <Add>
      <ServerId>11</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>Tasks</DisplayName>
      <Type>7</Type>
    </Add>
    <Add>
      <ServerId>RI</ServerId>
      <ParentId>0</ParentId>
      <DisplayName>RecipientInfo</DisplayName>
      <Type>19</Type>
    </Add>
  </Changes>
</FolderSync>

activesync