and works on work trauma so dealing with people who have dealing with trauma or having to work with traum tiefd -- traumatized people. we thought that was attractive to have in the contract. >> director brinkman. >> thank you for moving quickly on this. it's going to be so important and what we hear from public facing staff particularly the female operators and giving them the tools to de-escalate will go a long way in keeping operators happy and healthy and in particular hire more female operators. i'm happy to make a motion to approve this and thrilled we're doing this. >> we have a motion. is there a second. >> one comment? >> please. >> to say happy to see this and the monitoring and performance measuring as the best practice to see that in the contract we'll evaluate how successful this was. two questions. what's the difference between the two contractors. one is significantly more expensive so if you can speak to that and are there other industry best practice where's this kind of intervention has been implemented in other cities. are there lessons to learn from or are we the pionee