It would be an individual agent that would be hiring you for their team - not the broker. The broker does not hire you and place you with a team so you need to find an agent to work for first. Then that agent would have the broker sponsor you for the course.
If you are just talking to brokers - some may say it is a bad idea because they may make more money if you are not an assistant - and it is not their job to try and place you with a team.
In the past I have seen agents advertise in the newspaper for new team members but you may find it more productive to just contact individual agents who already have a team.
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