Parameter passing across different node types

Hi all,
I am a PhD student working on interoperable cloud resource management. 

The TOSCA 1.0 specification does not specify on parameter passing across different nodes. 

Is there a plan to integrate this in to TOSCA?

I found this link which is related to this at https://issues.oasis-open.org/browse/TOSCA-120

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Thanks,
Denis
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Denis Weerasiri