RoleManagement.ReadWrite.Defender

const options = {
	authProvider,
};

const client = Client.init(options);

const unifiedRoleDefinition = {
  description: 'Update basic properties of application registrations',
  displayName: 'Application Registration Support Administrator',
  rolePermissions: 
    [
        {
            allowedResourceActions: 
            [
                'microsoft.directory/applications/basic/read'
            ]
        }
    ],
    isEnabled: 'true'
};

await client.api('/roleManagement/directory/roleDefinitions')
	.version('beta')
	.post(unifiedRoleDefinition);

Import-Module Microsoft.Graph.Beta.Identity.Governance

$params = @{
	description = "Update basic properties of application registrations"
	displayName = "Application Registration Support Administrator"
	rolePermissions = @(
		@{
			allowedResourceActions = @(
			"microsoft.directory/applications/basic/read"
		)
	}
)
isEnabled = "true"
}

New-MgBetaRoleManagementDirectoryRoleDefinition -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.unified_role_definition import UnifiedRoleDefinition
from msgraph_beta.generated.models.unified_role_permission import UnifiedRolePermission
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = UnifiedRoleDefinition(
	description = "Update basic properties of application registrations",
	display_name = "Application Registration Support Administrator",
	role_permissions = [
		UnifiedRolePermission(
			allowed_resource_actions = [
				"microsoft.directory/applications/basic/read",
			],
		),
	],
	is_enabled = True,
)

result = await graph_client.role_management.directory.role_definitions.post(request_body)