Change size of repeating group based on message length

Hi - I am building a messaging feature and am not sure how to have different sizes for the different lengths of messages / number of characters.

Any advice?

You should set the height of the textbox to 100%:

And you should set the minimum width of the repeating group cell to something smaller so it will fit:

You can check this design: Tests for Forum 9 | Bubble Editor I did something similar for another question and it changes the height w.r.t. the height of the content: