App Inventor help

Hello, I'm a college student who is currently developing an app through AppInver. The app I'm creating is an app that sends emergency messages to registered guardians along with their current location because the Bluetooth module is connected and the pedestrian has overturned if the value is greater than the set gyro sensor value. However, text messages are not sent even if the gyro sensor value connected to the Bluetooth module exceeds the value. Can you tell me how to make it?

Welcome!
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Taifun