How do I get the location sensor to send me a location with the app in the background

Hello friends how are you? I have a question. I have a client who has 5 taxis and wants me to make an application that shows the current location of each of their cars when they are working. Well my question is, how can I get the location sensor to send me the current location of each taxi if the drivers have the application in the background?

That is, I reformulate the question, how can I make the application be in the background, send me the same location?

Thank you very much in advance, greetings …

That is not possible with any App Inventor based builder at the moment.

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I think this is #off-topic.You are asking about something isn’t related with the current thread at all.See this is the question:

It’s better to start a new thread with your new problem after searching on the community.And please send your blocks as well.