QnA.Read.All

const options = {
	authProvider,
};

const client = Client.init(options);

const searchResponse = {
  requests: [
    {
      entityTypes: [
        'externalItem'
      ],
      contentSources: [
        '/external/connections/connectionfriendlyname'
      ],
       region: 'US',
       query: {
        queryString: 'contoso product'
      },
      from: 0,
      size: 25,
      fields: [
        'title',
        'description'
      ]
    }
  ]
};

await client.api('/search/query')
	.post(searchResponse);

Import-Module Microsoft.Graph.Search

$params = @{
	requests = @(
		@{
			entityTypes = @(
			"externalItem"
		)
		contentSources = @(
		"/external/connections/connectionfriendlyname"
	)
	region = "US"
	query = @{
		queryString = "contoso product"
	}
	from = 0
	size = 25
	fields = @(
	"title"
"description"
)
}
)
}

Invoke-MgQuerySearch -BodyParameter $params

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
from msgraph.generated.search.query.query_post_request_body import QueryPostRequestBody
from msgraph.generated.models.search_request import SearchRequest
from msgraph.generated.models.entity_type import EntityType
from msgraph.generated.models.search_query import SearchQuery
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = QueryPostRequestBody(
	requests = [
		SearchRequest(
			entity_types = [
				EntityType.ExternalItem,
			],
			content_sources = [
				"/external/connections/connectionfriendlyname",
			],
			region = "US",
			query = SearchQuery(
				query_string = "contoso product",
			),
			from = 0,
			size = 25,
			fields = [
				"title",
				"description",
			],
		),
	],
)

result = await graph_client.search.query.post(request_body)