Dimension is not enabled?

[#1]

staff got an extension on the net to start learning, I'm trying to put three dimensions so that they are not qualified when put what I'm doing wrong ?

Definition.xml

<?xml version="1.0" encoding="utf-8"?>

<ExtensionObject Label="GoogleMapsJSv3" Description="Implements a Google Maps JS v3 map interface.">

          <Dimension Initial="" />

          <Dimension Initial="" />

          <Dimension Initial="" />

          <Measurement Initial="" />

          <Initiate Name="Chart.Expression.0.0.Definition" value="1" />

          <Initiate Name="Caption.Text" value="Google Maps JS v3" />

</ExtensionObject>

Properties.qvpp

<div class="ToolWindow-MainBody">

    <table width="360px">

        <tr class="ToolProperty-Header" >

            <td onclick="Qva.SelectToolPane(this, false)">

                GoogleMapsJSv3

            </td>

            <th onclick="Qva.SelectToolPane(this, true)">

                <img alt="" src="unpinned.png" icon="web:unpinned" avq="img:.Chart.Title"/>

            </th>

        </tr>

        <tr>

            <td colspan="2">

              <table width="100%">

                <colgroup>

                  <col width="70px" />

                  <col width="30px" align="center" />

                  <col width="30px" align="center" />

                  <col width="195px" />

                  <col width="20px" />

                </colgroup>               

                                        <tr>

                  <td colspan="3" class="ToolProperty-Literal">

                    Latitude:

                  </td>

                  <td colspan="2">

                    <input class="ToolProperty-TxtSelect" style="width:170px" readonly="readonly" avq="text:.Chart.Dimension.1.Field" />

                    <button avq="dropdown:.Chart.Dimension.1.Field" class="ToolProperty-TxtSelectMenu" ></button>

                  </td>

                </tr>

                                        <tr>

                  <td colspan="3" class="ToolProperty-Literal">

                    Longitude:

                  </td>

                  <td colspan="2">

                    <input class="ToolProperty-TxtSelect" style="width:170px" readonly="readonly" avq="text:.Chart.Dimension.2.Field" />

                    <button avq="dropdown:.Chart.Dimension.2.Field" class="ToolProperty-TxtSelectMenu" ></button>

                  </td>

                </tr>

                                        <tr>

                  <td colspan="3" class="ToolProperty-Literal">

                    Populacao:

                  </td>

                  <td colspan="2">

                    <input class="ToolProperty-TxtSelect" style="width:170px" readonly="readonly" avq="text:.Chart.Dimension.3.Field" />

                    <button avq="dropdown:.Chart.Dimension.3.Field" class="ToolProperty-TxtSelectMenu" ></button>

                  </td>

                </tr>

                                </table>

            </td>

        </tr>

<tr class="ToolProperty-Header" avq="panel::Layout.qvpp"><td>Layout</td><th></th></tr>

<tr style="display: none"><td colspan="2"></td></tr>

<tr class="ToolProperty-Header" avq="panel::Caption.qvpp"><td>Caption</td><th></th></tr>

<tr style="display: none"><td colspan="2"></td></tr>

<tr class="ToolProperty-Header" avq="panel::Access.qvpp"><td>Access</td><th></th></tr>

<tr style="display: none"><td colspan="2"></td></tr>

</table>

</div>