Update locked dataframe called as follows secondpackage::dataframe1 in R environment using bindenv functions?

I am developping a R package, for example called myfirstpackage.
Inside this package, I load a secondpackage from which I use a dataframe as follows secondpackage::dataframe1.
I call it like this, several times, inside myfirstpackage.

I would like to be able to modify secondpackage::dataframe1 in my main script to add rows to this dataframe.
I want to do it just before being called from functions of myfirstpackage.
In another words, I want to update a dataframe from a package loaded in the environment

secondpackage::dataframe1 <- rbind(secondpackage::dataframe1,aCustomDataframe2)

Is this possible using tricks from the environment like unlockBinding ?

So then secondpackage::dataframe1 is update everywhere in the next functions that are calling it ? Possible ?