リテンションポリシー割り当てを取得

curl -i -X GET "https://api.box.com/2.0/retention_policy_assignments/1233123" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

await client.retentionPolicyAssignments.getRetentionPolicyAssignmentById(
  retentionPolicyAssignment.id,
);

client.retention_policy_assignments.get_retention_policy_assignment_by_id(
    retention_policy_assignment.id
)

await client.RetentionPolicyAssignments.GetRetentionPolicyAssignmentByIdAsync(retentionPolicyAssignmentId: retentionPolicyAssignment.Id);

BoxRetentionPolicyAssignment assignment = new BoxRetentionPolicyAssignment(api, id);
BoxRetentionPolicyAssignment.Info assignmentInfo = assignment.getInfo("assigned_to");

assignment = client.retention_policy_assignment('12345').get()
print(f'Assignment id is {assignment.id} and it is assigned by {assignment.assigned_by.name}')

BoxRetentionPolicyAssignment assignment = await client.RetentionPoliciesManager
    .GetRetentionPolicyAssignmentAsync("33333");

client.retentionPolicies.getAssignment('12345').then((assignment) => {
	/* assignment -> {
			type: 'retention_policy_assignment',
			id: '12345',
			retention_policy:
			{ type: 'retention_policy',
				id: '11111',
				policy_name: 'Tax Documents' },
			assigned_to: { type: 'folder', id: '22222' },
			assigned_by:
			{ type: 'user',
				id: '33333',
				name: 'Example User',
				login: 'user@example.com' },
			assigned_at: '2015-07-20T14:28:09-07:00' }
		*/
});

client.retentionPolicy.getAssignment(assignmentId: "123456")  { result in
    guard case let .success(retentionPolicyAssignment) = result else {
        print("Error getting retention policy assignment")
        return
    }
    
    print("Retention policy assignment: \(retentionPolicyAssignment.id)")
}