BusinessScenarioData.ReadWrite.OwnedBy

const options = {
	authProvider,
};

const client = Client.init(options);

const businessScenarioTask = {
  title: 'Customer order #12010',
  percentComplete: 0,
  priority: 5,
  target: {
    '@odata.type': 'microsoft.graph.businessScenarioGroupTarget',
    taskTargetKind: 'group',
    groupId: '7a339254-4b2b-4410-b295-c890a16776ee'
  },
  businessScenarioProperties: {
    externalObjectId: 'Order#12010',
    externalContextId: 'Warehouse-CA-36',
    externalObjectVersion: '000001',
    webUrl: 'https://ordertracking.contoso.com/view?id=12010',
    externalBucketId: 'deliveryBucket'
  }
};

await client.api('/solutions/businessScenarios/c5d514e6c6864911ac46c720affb6e4d/planner/tasks')
	.version('beta')
	.post(businessScenarioTask);

Import-Module Microsoft.Graph.Beta.BusinessScenario

$params = @{
	title = "Customer order #12010"
	percentComplete = 0
	priority = 5
	target = @{
		"@odata.type" = "microsoft.graph.businessScenarioGroupTarget"
		taskTargetKind = "group"
		groupId = "7a339254-4b2b-4410-b295-c890a16776ee"
	}
	businessScenarioProperties = @{
		externalObjectId = "Order#12010"
		externalContextId = "Warehouse-CA-36"
		externalObjectVersion = "000001"
		webUrl = "https://ordertracking.contoso.com/view?id=12010"
		externalBucketId = "deliveryBucket"
	}
}

New-MgBetaSolutionBusinessScenarioPlannerTask -BusinessScenarioId $businessScenarioId -BodyParameter $params

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph_beta import GraphServiceClient
from msgraph_beta.generated.models.business_scenario_task import BusinessScenarioTask
from msgraph_beta.generated.models.business_scenario_group_target import BusinessScenarioGroupTarget
from msgraph_beta.generated.models.planner_task_target_kind import PlannerTaskTargetKind
from msgraph_beta.generated.models.business_scenario_properties import BusinessScenarioProperties
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = BusinessScenarioTask(
	title = "Customer order #12010",
	percent_complete = 0,
	priority = 5,
	target = BusinessScenarioGroupTarget(
		odata_type = "microsoft.graph.businessScenarioGroupTarget",
		task_target_kind = PlannerTaskTargetKind.Group,
		group_id = "7a339254-4b2b-4410-b295-c890a16776ee",
	),
	business_scenario_properties = BusinessScenarioProperties(
		external_object_id = "Order#12010",
		external_context_id = "Warehouse-CA-36",
		external_object_version = "000001",
		web_url = "https://ordertracking.contoso.com/view?id=12010",
		external_bucket_id = "deliveryBucket",
	),
)

result = await graph_client.solutions.business_scenarios.by_business_scenario_id('businessScenario-id').planner.tasks.post(request_body)