This is remix of the Gamestorming Classic, 7P Model, with a few essential additions.

If we're going to work on planning a workshop, meeting or gathering, this prework will make our conversation more efficient and effective.

https://gamestorming.com/7ps-framework/

The original instructions are below.

Object of Play
Every meeting deserves a plan. Note that a great plan can’t guarantee a great outcome, but it will help lay down the fundamentals from which you can adapt. Sketch out these fundamentals by using the 7Ps framework.
 
Number of Players: Individual
 
Duration of Play: 20 minutes to 2 hours
 
How to Play
Use these items as a checklist. When preparing for a meeting, thinking through the 7Ps can improve focus and results, even if you have only a few moments to reflect on them.
 
Purpose: Why are you having this meeting? As the leader, you need to be able to state this clearly and succinctly. Consider the urgency of the meeting: what’s going
on, and what’s on fire? If this is difficult to articulate, ask yourself if a meeting is really necessary.
 
Product: What specific artifact will we produce out of the meeting? What will it do, and how will it support the purpose? If your meetings seem to be “all talk and no follow-through,” consider how a product might change things.
 
People: Who needs to be there, and what role will they play? One way to focus your list of attendees is to think in terms of questions and answers. What questions are
we answering with this meeting? Who are the right people to answer the questions?
 
Process: What agenda will these people use to create the product? Of all the 7Ps, the agenda is where you have the most opportunity to collaborate in advance with the
attendees. Co-design an agenda with them to ensure that they will show up and stay engaged.
 
Pitfalls: What are the risks in this meeting, and how will we address them? These could be as simple as ground rules, such as “no laptops,” or specific topics that are
designated as out of scope.
 
Prep: What would be useful to do in advance? This could be material to read in advance, research to conduct, or “homework” to assign to the attendees.
 
Practical Concerns: These are the logistics of the meeting—the where and when, and importantly, who’s bringing lunch.


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We've added Progress and Principles to the original 7 that James Macanufo put together.

Progress, and how we'll measure it is key. If we don't Bake That In to the Process, we're not set up for success.

Principles. You gotta have 'em! Why do you do things the way you do them? What values are underneath your process?