[development-axapta] Data Object List in custom aif service

Hi, I'm trying to create a custom service called getAppointments. the input parameter is a date. I can return a single appointment using a custom data object. But I haven't found a way to return a list of appointments. can someone guide me how this can be accomplished? Thanks Navid

[development-axapta] Purchase Order in Custom AIF Service

Hi Guys, I have a question about AIF. How can I send a purchase order in custom AIF web service. I need to send some other information as well which is working fine. but I cant figure out how to send a purchase order(header lines). Any help will be highly appreciated. Thanks Navid