def role_definition(self) -> RoleDefinitionRequestBuilder:
        """
        Provides operations to manage the roleDefinition property of the microsoft.graph.roleAssignment entity.
        """
        from .role_definition.role_definition_request_builder import RoleDefinitionRequestBuilder

        return RoleDefinitionRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the roleDefinition property of the microsoft.graph.roleAssignment entity.
        
msgraph/generated/device_management/role_assignments/item/device_and_app_management_role_assignment_item_request_builder.py