Adds a new metadata type to the system. 

This method can be accessed through the Metadata.asmx file located in:

~/Workarea/webservices/WebServiceAPI/Metadata.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "AddMetaDataType", Description = "Adds a new metadata type definition")]
public void AddMetaDataType(ref ContentMetaData metaDataItem);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "AddMetaDataType", Description = "Adds a new metadata type definition")>
Public Function AddMetaDataType(ByRef metaDataItem As ContentMetaData) As void