How to send data(Boolean) from fitbit Versa to my another application

[cosmohoo]

I made fall algorithm using accel, gyro data values.

After that I made results about fall detection.
The type of result is Boolean.
I wanna send the result to my another android application. 

How can I send data, 
Using Oauth 2.0 or web API? or companion API? 

Please answer me as soon as possible.

[qnkhuat · Accepted solution]

You can use message API to send to the companion. And when the companion receive you can do fetch to send it to your server to collect.

[cosmohoo]

I don't know how to use companion API .
I don't know what companion means. 

How can I make path from versa to companion? 
All I do is only sending the data to companion. 

[Gondwana]

'Companion' means the phone/tablet/Windows device that you use to sync your watch, change settings, etc.

Read about File Transfer from device to companion.