Creating Cmponent With set attribute

Dear All,
I Want To Create Attachment in Design module but this attachment has attribute ATTYP CCNN .
i dont want to set this attribute one by one.
Is there any way that when i select Attachment from CHOO window this attribute set automatically?

thanks

Dear All,
I Want To Create Attachment in Design module but this attachment has attribute ATTYP CCNN .
i dont want to set this attribute one by one.
Is there any way that when i select Attachment from CHOO window this attribute set automatically?

thanks