Firebase Cloud Functions Triggers with Two varibles

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 Although firebase functions document not mentioned about how many varible values can be exhist in firebase onWrite() tirgger , I have used it upto 2 levles without any issue.


 For an exaplen in the blow code , I have consider the change in list under the userId ,,
The value will be wrriten under the varible of user.

 exports.testFunctionName = functions.database.ref('/user-list/{user}/{pushId}').onWrite(( change,context) => {
            const original =  change.after.val();
            var pushId=context.params.pushId;
                var userId=context.params.user;
...

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