Changing field name using values of others datasets

Hello,

I just saw that was included some support to firebase, what is amazing. I already added a lot of schemas, but it would be really helpfull if there was (or there is) a way to change the field name to an ID of other dataset, to simulate relationshipments between paths of data. For example, I created these JSON objects:

Students:

“-LT8ssdkiZpt2BiFnTzb”: {
“created”: “1544789891”,
“modified”: “1544789891”,
“foto”: “https://redcross.org/”,
“name”: “Ferdinanda”,
“email”: “fmurdie0@telegraph.co.uk”,
“telefone”: “8864-4523”
}

Courses:

“-LT8t730pusw5AQ7tdm9”: {
“created”: “1547431202”,
“modified”: “1547431202”,
“nome”: “Lasiodora parahybana”,
“periodo”: {
“inicio”: 1547689202,
“final”: 1547947202
},
“status”: true
}

And I have a structure that use this two IDs and say if they are relationed:
“-LT8ssdkiZpt2BiFnTzb”: {
“-LT8t730pusw5AQ7tdm9”: true
}

So, I need take two values of others datasets structures, using Dataset Columns Type, to use as keys (“fields_name”) in other schmas. There is already something that I can do and did not notice or it would be some new feature?

Regards,

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