Struggling with transaction using multiple models

Your calling them wrong. To run your queries using transactions you will use the

PHP Code:

$this->db->transStart(); 


and

PHP Code:

$this->db->transComplete(); 


You do not call them using your model.

I tried that originally when I reviewed the documentation, but when I do an Error Exception Undefined property: App\Controllers\Properties::$db occurs.  I am calling it from my controller.

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Okay, I realized that I had not loaded the database connection in the BaseController.  I added this to the constructor:

PHP Code:

$this->db = \Config\Database::connect(); 


The Error Exception is now gone, however, the first record is still being inserted when I force the second query to fail.