How can i split a string by a newline which was taken as a input from a multiple line text box

[G_TEJA]

i need to split the rinfo's element by new line is it good to do

[Taifun]

Yes, just split at \n

Use the companion app and Do it to debug your blocks, see also tip 4 here App Inventor: How to Learn | Pura Vida Apps
see also Live Development, Testing, and Debugging Tools

FAQ Section: Debugging

Introductory Testing techniques, including Do It - MIT Sample Connect -> Companion sequence - @ABG How to Read and Understand a Runtime Error Message - @ABG Common Runtime Errors - @TimAI2 Advanced Do It' to view procedure results, event arguments and local variables How to run Logcat How to use Do It in a loop Screen1.ErrorOccured message numbers SteveJG monster list of things you should not do How to show raw responseContent from your app when debugging - TimAI2 Video of copying Do…

Taifun

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Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.

[Kevinkun]

Why you need to split the text?
detailText param needs a String, but after you split the text, you got a List.