> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Services C API overview - PFExperimentation.h

> Services C API overview - PFExperimentation.h

## Functions

| Function                                                                                                                                                                    | Description                                                                            |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- |
| [PFExperimentationGetTreatmentAssignmentAsync](/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentasync)                 | Gets the treatment assignments for a player for every running experiment in the title. |
| [PFExperimentationGetTreatmentAssignmentGetResult](/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentgetresult)         | Gets the result of a successful PFExperimentationGetTreatmentAssignmentAsync call.     |
| [PFExperimentationGetTreatmentAssignmentGetResultSize](/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentgetresultsize) | Get the size in bytes needed to store the result of a GetTreatmentAssignment call.     |


## Related topics

- [Services C API overview - PFExperimentationTypes.h](/services/playfab/api-references/c/pfexperimentationtypes/pfexperimentationtypes_members.md)
- [PFExperimentationGetTreatmentAssignmentAsync](/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentasync.md)
- [PFExperimentationGetTreatmentAssignmentGetResult](/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentgetresult.md)
- [PFExperimentationGetTreatmentAssignmentGetResultSize](/services/playfab/api-references/c/pfexperimentation/functions/pfexperimentationgettreatmentassignmentgetresultsize.md)
- [Experimentation](/services/playfab/live-service-management/game-configuration/experiments/index.md)