In the context of Agile Project Management, it is crucial to have clear commitments regarding team members' availability to ensure that project planning and execution can be as accurate and effective as possible. By securing a formal agreement on the hours the marketing assistants can dedicate to the project each week, the Project Manager can better plan tasks and allocate resources, thereby optimizing the team's capacity and ensuring that project timelines and deliverables are realistic and achievable.

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The Agile Project Management (AgilePM®) framework emphasizes the importance of clear communication, resource planning, and commitment from all team members to ensure project success. Having a formal agreement on availability helps in setting clear expectations and allows for more effective planning and utilization of resources within the constraints of the project, aligning with Agile principles of collaboration, adaptability, and iterative progress.