XML message about text message
<InsertCharacter version="2.0" xmlns="http://www.isapi.org/ver20/XMLSchema">
<InsertMessageList>
<InsertMessage><!--required, text message-->
<id><!--required, xs:integer, text message No.--></id>
<msgName><!--required, xs:string, text message name--></msgName>
<content><!--required, xs:string, text message content--></content>
<TimeRange><!--required, play duration-->
<beginTime><!--required, xs:time, start time (ISO 8601 format)--></beginTime>
<endTime><!--required, xs:time, end time (ISO 8601 format)--></endTime>
</TimeRange>
</InsertMessage>
</InsertMessageList>
<msgPos><!--required, xs:string, text message position: top, middle, bottom, "selfDefine"-custom--></msgPos>
<Position><!--dependent, text message position, this field is valid only when msgPos is "selfDefine"-->
<positionX><!--required, xs:integer, custom position X--></positionX>
<positionY><!--required, xs:integer, custom position Y--></positionY>
<height><!--required, xs:integer, height--></height>
<width><!--required, xs:integer, width--></width>
</Position>
<CharactersEffect><!--required, character effect-->
<fontSize><!--required, xs:integer, font size--></fontSize>
<FontColor><!--required, font color-->
<RGB/><!--required-->
</FontColor>
<BackColor><!--required, background color-->
<RGB/><!--required-->
</BackColor>
<backTransparent><!--required, xs:integer, transparency--></backTransparent>
<subtitlesEnabled><!--required, xs:boolean, whether to enable preview--></subtitlesEnabled>
<scrollDirection><!--required, xs:string, scrolling direction: none, left, right, up, down--></scrollDirection>
<scrollSpeed><!--required, xs:integer, scrolling speed--></scrollSpeed>
</CharactersEffect>
</InsertCharacter>