gistfile1.xml

    var request =  <methodCall>
                      <methodName>metaWeblog.newPost</methodName>
                      <params>
                        <param>
                          <value>
                            <string>{this.blogid}</string>
                          </value>
                        </param>
                        <param>
                          <value>
                            <string>{this.username}</string>
                          </value>
                        </param>
                        <param>
                          <value>
                            <string>{this.password}</string>
                          </value>
                        </param>
                        <param>
                          <value>
                            <struct>
                              <member>
                                <name>title</name>
                                <value>
                                  <string>{title}</string>
                                </value>
                              </member>
                              <member>
                                <name>description</name>
                                <value>
                                  <string>{desc}</string>
                                </value>
                              </member>
                              <member>
                                <name>categories</name>
                                <value>
                                    <array>
                                        <data>
                                            <value>{categories}</value>
                                        </data>
                                    </array>
                                </value>
                              </member>
                              <member>
                                <name>mt_keywords</name>
                                <value>
                                  <string>{tags}</string>
                                </value>
                              </member>
                              <member>
                                <name>mt_allow_comments</name>
                                <value>
                                  <boolean>1</boolean>
                                </value>
                              </member>
                              <member>
                                <name>mt_convert_breaks</name>
                                <value>
                                  <string>0</string>
                                </value>
                              </member>
                            </struct>
                          </value>
                        </param>
                        <param>
                          <value>
                            <boolean>1</boolean>
                          </value>
                        </param>
                      </params>
                    </methodCall>;