How to Filter in Orchestrations on Promoted Properties

If you want to do direct-bounding into an orchestration (for example, because you're implementing an ESB where send ports and orchestrations subcribe directly to the message box), you would define filter expressions in the receive shape.

Basically, you can filter on schema properties that are referenced in the BizTalk project of your orchestration. However, to make them visible (and selectable) here, you have to publish them. You can do this in (at least) two ways:

• First, you could promote a field in the incoming message and link the field to a promoted property. This option helps you if you filter on a field that is inside the message.
  
  
• Second - if the data is not part of the message but a header information - you have to set the "property schema base" of the schema property to MessageContextPropertyBase. This way, it gets visible and you can filter on it.