Access promoted value in an outbound map

Question

Hi all,
Is there any way to access a promoted value in my outbound map. I tried using xpath but that works only if we I give the property schema in source. I wanted to know if there is any functoid that can accomplish this work of accessing a promoted value from
property schema, not in orchestration maps, but in outbound map so that I will have 1 source schema and 1 destination schema.
Thanks in advance.
BizTalk Developer, Bangalore, India

Answer 1

Hi Nazeer,
Not all promoted properties are added to the context of every message. And No, you can use this ContextAccessor functoid to access promoted values which are not promoted in the source schema
context.
Let’s explain this process with an example. If your source schema is named-Employee schema and contains three elements in it like ID, Name, Age. And in your schema if you have promoted ID
element using property promotion, then in the context of this particular message instance along with other system-defined properties you will have ID and its value. This ID can be accessed in the various BizTalk Server components, including pipelines and orchestrations.
If you have another schema named as Machine which contains element like MachineID, Name and if you have promoted MachineID using property promotion then 
in the context of the this particular message instance (Machine) you will have MachineID along with other system-defined properties.
In your outbound map, if your source schema is Employee and if you want to access the MachineID, you will not able to access it because MachineID is part of the Machine message instance.
But if you want to access the MachineID in your map where Employee scheme is used, then you can copy the context property from an Machine message instance to Employee message instance. If you have any Orchestration before the map you can do so like:
Employee(PropertySchema.SomePropertyFiled) = Machine(PropertySchema.MachineID)
So when the Outbound map executed at the send port, using the
ContextAccessor functiod.
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