Partner requests Standard Succession Data Model based on which they can do furhter configuration.
SAP doesn't provide such "standard" Data Model because the configuration in the Data Model may vary for difference customers.
Partners should refer to the Implementation Guides to do the configuration and refer to DTD for error validations.
Configuration Guide on Help Portal:
DTD could be found via Market Place:
Another way to get a workable Data Model is to request a new Demo Instance from Partner Service Desk and then go to Provisioning > Import/Export Data Model to export it.
Partner Service Desk:https://hcmcloudops.successfactors.com/home/index
Standard Data Model , KBA , LOD-SF-PLT , Foundational Capabilities & Tools , How To