How to get value of jca.file.IsEof using fromproperties in file adapter

Hi Guys,
I have a scenario where i use a file adapter for syncread (for doing chunkRead).
While invoking this adapter i send jca.file.FileName and jca.file.Directory as input properties dynamically.
In response i expect jca.file.IsEOF and jca.file.IsMessageRejected, for this i have done the following steps.
1. Create a file adapter for SyncRead
2. Create an invoke activity and input/output variables along with it.
3. set input properties as below ..
4. get the values of jca.file.IsEOF and jca.file.IsMessageRejected using bplex:fromproerties
<invoke name="Invoke1"
inputVariable="Invoke1_SynchChunked_InputVariable"
outputVariable="Invoke1_SynchChunked_OutputVariable"
partnerLink="SamplSyncChunkRead"
portType="ns19:SynchChunked_ptt"
operation="SynchChunked"
bpelx:invokeAsDetail="no">
<bpelx:inputProperty name="jca.file.FileName"
variable="inputVariable"
part="payload"
query="/ns11:fileHeader/ns11:fileName"/>
<bpelx:inputProperty name="jca.file.Directory"
variable="inputVariable"
part="payload"
query="/ns11:fileHeader/ns11:directory"/>
<bpelx:fromProperties>
*<bpelx:fromProperty name="jca.file.IsEOF" variable="isEndofFile"/>*
*<bpelx:fromProperty name="jca.file.IsMessageRejected" variable="istheMessageRejected"/>*
</bpelx:fromProperties>
</invoke>
5. Flow of the project is fine but im not getting the fromProperty values assigned to variables.
Note : rather using from proerties like give below
<bpelx:fromProperties>
*<bpelx:fromProperty name="jca.file.IsEOF" variable="isEndofFile"/>*
*<bpelx:fromProperty name="jca.file.IsMessageRejected" variable="istheMessageRejected"/>*
</bpelx:fromProperties>
if i use output proerties as given below it is not working..
<bpelx:outputProperty name="jca.file.isEOF" variable="isEndofFile"/>
<bpelx:outputProperty name="jca.file.IsMessageRejected" variable="istheMessageRejected"/>
Any suggestions on this ???
Thanks in advance guys...

Thanks veejai...
i have used the following properties in my code..
<bpelx:fromProperties>
<bpelx:fromProperty name="jca.file.IsEOF" variable="isEndofFile"/>
<bpelx:fromProperty name="jca.file.IsMessageRejected" variable="istheMessageRejected"/>
</bpelx:fromProperties>
if i use output proerties as given below it is not working..
<bpelx:outputProperty name="jca.file.isEOF" variable="isEndofFile"/>
<bpelx:outputProperty name="jca.file.IsMessageRejected" variable="istheMessageRejected"/>
any suggestion on <bplex:fromproperties> ??

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