GET /identityGovernance/accessReviews/definitions/{accessReviewScheduleDefinitionId}/instances/{accessReviewInstanceId}/decisions/{accessReviewInstanceDecisionItemId}
GET https://graph.microsoft.com/v1.0/identityGovernance/accessReviews/definitions/abadf3b6-8ea4-4dea-90a5-9eac8fe93fbd/instances/abadf3b6-8ea4-4dea-90a5-9eac8fe93fbd/decisions/9550e25b-f315-4454-9d87-16b885c35de4
GraphServiceClient graphClient = new GraphServiceClient( authProvider );
var accessReviewInstanceDecisionItem = await graphClient.IdentityGovernance.AccessReviews.Definitions["{accessReviewScheduleDefinition-id}"].Instances["{accessReviewInstance-id}"].Decisions["{accessReviewInstanceDecisionItem-id}"]
.Request()
.GetAsync();
//THE GO SDK IS IN PREVIEW. NON-PRODUCTION USE ONLY
graphClient := msgraphsdk.NewGraphServiceClient(requestAdapter)
accessReviewScheduleDefinitionId := "accessReviewScheduleDefinition-id"
accessReviewInstanceId := "accessReviewInstance-id"
accessReviewInstanceDecisionItemId := "accessReviewInstanceDecisionItem-id"
result, err := graphClient.IdentityGovernance().AccessReviews().DefinitionsById(&accessReviewScheduleDefinitionId).InstancesById(&accessReviewInstanceId).DecisionsById(&accessReviewInstanceDecisionItemId).Get()