Hello Community i am try to show error message in Material Textbox but it’s not work . Can anyone help me to fix that or if need any extra step

Hello Community i am try to show error message in Material Textbox but it’s not work . Can anyone help me to fix that or if need any extra step
Use Notifier
Do you understand what i am asking. I not asking alternative (I know very well). If you have suggestion about that then share with me .
Set
If {example click}
then {material - text - (error-message) }
If this is not ok show your block code.