---
type: "operations"
title: "PlanDefinition Operations"
resource: "PlanDefinition"
---
# PlanDefinition Operations

- [apply](/plandefinition-operation-apply) — Apply — The apply operation applies a PlanDefinition to a given subject or group of subjects, instantiating applicable actions and returning the results as bundles of request resources.
- [data-requirements](/plandefinition-operation-data-requirements) — Data Requirements — The data-requirements operation aggregates and returns the parameters and data requirements for the plan definition and all its dependencies as a single module definition library