Allows information queries to be made to the local database on the device
Is real time : It is activated when we want our query to be listening in real time, that is, every time there is a change after its execution, it is executed again.
Path on LS : It is selected to be able to access the window where we can enter the route (path) from which we want to obtain our information.
Step by Step :
Error retrieving data : It is executed when a connection problem occurs when querying the database or a query path was not selected.
OutVars
Null
Empty data : It is executed when the route that we consult does not have a value in its parameters.
OutVars
Null
Success retrieving data : It is executed when the route that we consult returns information to us.
OutVars
Null
End retrieving data : Runs in parallel with any of the previous calbacks regardless of whether or not information was fetched.