BackupRestore-Configuration.ReadWrite.All

const options = {
	authProvider,
};

const client = Client.init(options);

const exchangeProtectionPolicy = {
  displayName: 'Exchange Protection Policy',
  mailboxProtectionUnits: [
    {
      directoryObjectId: 'cdd3a849-dcaf-4a85-af82-7e39fc14019a'
    },
    {
      directoryObjectId: '9bc069da-b746-41a4-89ab-26125c6373c7'
    },
    {
      directoryObjectId: 'b218eb4a-ea72-42bd-8f0b-d0bbf794bec7'
    }
  ]
};

await client.api('/solutions/backupRestore/exchangeProtectionPolicies')
	.post(exchangeProtectionPolicy);

Import-Module Microsoft.Graph.BackupRestore

$params = @{
	displayName = "Exchange Protection Policy"
	mailboxProtectionUnits = @(
		@{
			directoryObjectId = "cdd3a849-dcaf-4a85-af82-7e39fc14019a"
		}
		@{
			directoryObjectId = "9bc069da-b746-41a4-89ab-26125c6373c7"
		}
		@{
			directoryObjectId = "b218eb4a-ea72-42bd-8f0b-d0bbf794bec7"
		}
	)
}

New-MgSolutionBackupRestoreExchangeProtectionPolicy -BodyParameter $params

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
from msgraph.generated.models.exchange_protection_policy import ExchangeProtectionPolicy
from msgraph.generated.models.mailbox_protection_unit import MailboxProtectionUnit
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = ExchangeProtectionPolicy(
	display_name = "Exchange Protection Policy",
	mailbox_protection_units = [
		MailboxProtectionUnit(
			directory_object_id = "cdd3a849-dcaf-4a85-af82-7e39fc14019a",
		),
		MailboxProtectionUnit(
			directory_object_id = "9bc069da-b746-41a4-89ab-26125c6373c7",
		),
		MailboxProtectionUnit(
			directory_object_id = "b218eb4a-ea72-42bd-8f0b-d0bbf794bec7",
		),
	],
)

result = await graph_client.solutions.backup_restore.exchange_protection_policies.post(request_body)