Final answer:
The key to successfully engaging services for the family is to collaborate with the family, respecting their input and preferences.
Step-by-step explanation:
The key to successfully engaging services for the family is to Collaborate with the family, respecting their input and preferences. This approach recognizes that families are unique and have valuable insights into their own needs and circumstances. By involving them in the decision-making process, services can be tailored to meet their specific requirements, leading to better outcomes.