Sending Text to TextBox with same class name

Hello and thank you all for all the usefull information posted on this site. I am pretty new at all of this. I am trying to send text to two fields that both have the same class name. I cant figure out how I am supposed to tell it which textbox I am trying to send text to in another application. The code below sends text to the password field but not to the username field. I know the code for the username is the same as the password but what do I need to do to tell it which textbox to send the information to.

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Thanks in advance for your help!

As I see it;

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Is calling a subroutine and giving it 4 variables.

your textbox number t should be a fifth variable

then within your subroutine

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Will change the specified textbox.

Thanks for the reply but I really don’t understand how I am supposed to use that? Any more guidance would be greatly appreciated.