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Robotic Sacrocolpopexy Simulation Model and Associated Hierarchical Task Analysis. BACKGROUND: There are limited robotic dry lab training resources that include presacral dissection with vaginal and sacral mesh attachment for robotic sacrocolpopexy. Our objective was to create a simulation model to resemble the anatomy encountered during robotic sacrocolpopexy. Additionally, we sought to outline the steps required to complete a robotic sacrocolpopexy by performing a hierarchical task analysis. With the results of the hierarchical task analysis, we assessed the model's ability to provide an adequate platform for completion of robotic sacrocolpopexy procedural steps. METHOD: This observational simulation study was divided into two phases. Phase 1 included model development. Phase 2 involved development of the hierarchical task analysis and assessment of the model. EXPERIENCE: After model creation, six experts each performed a robotic sacrocolpopexy using the model. Overall, experts agreed that the model replicated opening the peritoneum, presacral dissection, suturing on the anterior and posterior vagina, and presacral mesh attachment. CONCLUSION: We demonstrate construction and use of a robotic sacrocolpopexy simulation model to aid surgeons in training. Further, the hierarchical task analysis provides a method to assess the model's ability to replicate each step of robotic sacrocolpopexy.