Creating dynamic auto resize lower thirds

I am working on a project in after effects where the lower third text information is coming from an external csv file.

I am new to after effects expressions.

This text will be in 2 or 3 lines and would like to make it lower-third text box width scaled up by using the text length from the 2nd or 3rd line.

Can you please support me? I am attaching an image for reference.

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New Participant

Can anyone please help.

Brainiac

Research the various sourceRectAtTime() methods. Plenty of info out there and even a simple web search will bring up tons of tutorials.

Mylenium

New Participant

Thanks for your prompt response @Mylenium

I did try the sourceRectAtTime() method but am not able to put all 2/3 text layers in the same box.

If you happen to have some references or maybe you can help me with the expression, that would be helpful.

I also tried the Simple Box Rig method but no luck.

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