How to use the Data Input and Data Output components.(Params>Util)

Hello everybody.

I’m new to this community.

Today,I updated the latest Rhino6.1((6.1.18023.13161, 2018/01/23)),and I found two new components ,Data Input and Data Output.(Params>Util)

What are these components?(I can’t understand how to use these components.)

And these components use ghdata file.(Not gh file)
Can anyone tell me how to use these components?

Thank you in advance for your help.

Best regards,
Masaki

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These components where introduced here: Can Two GrassHopper definitions communicate?

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Hello Nathan,

Thank you for your reply.
These components are awesome!

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