Juan,
OK, I tried that and it worked! Here is exactly what I have:

ASP:
Set oServer = Server.CreateObject("avfpdemo.server")
Response.Write(oServer.demo(Request,Response,Session))

VFP mtdll init:
THIS.ADDPROPERTY("kdTitle", "This is the title")

VFP mtdll hello method:
RETURN THIS.kdTitle



>Thank Claude
>
>Actualy i use VFP7 let me explain better the problem:
>
>I create the new propeties in the Init method of my object using the ADDProperty method ADDPROPERTY("kdTitle", "This is the title").
>
>The code in the ASP page is it:
>
>Set prova as new content.schema
>
>prova.init 105, 'that fire the init method of my object and create the new object properties
>
>
>after it i tried to get the valued from the new property
>
>response write ..... prova.title and get the error