Example of ACL representing an external group

[eborisowIQVIA]

Hi,

Would it be possible to provide an example of creating an ACL entry that represents an external group?

https://learn.microsoft.com/en-us/graph/custom-connector-sdk-contracts-connectorcrawler#principal

For example, for the principal, what should I provide as the IdentityType. There doesn't appear to be an option for 'external.'

[eborisowIQVIA]

For example, is there anything obviously wrong here? (Java) (It throws a 3004 error while importing the item)

List<AccessControlEntry> aclEntries = new ArrayList<AccessControlEntry>();
AccessControlEntry aclEntry1 = AccessControlEntry.newBuilder()
	.setAccessType(AclAccessType.Grant)
	.setPrincipal(Principal.newBuilder()
		.setType(PrincipalType.Group)
		.setIdentitySource(IdentitySource.External)
		.setValue("entry 1")
		.build())
	.build();

AccessControlEntry aclEntry2 = AccessControlEntry.newBuilder()
	.setAccessType(AclAccessType.Grant)
	.setPrincipal(Principal.newBuilder()
		.setType(PrincipalType.Group)
		.setIdentitySource(IdentitySource.External)
		.setValue("entry 2")
		.build())
	.build();
			
aclEntries.add(aclEntry1);
aclEntries.add(aclEntry2);

AccessControlList acl = AccessControlList.newBuilder()
	.addAllEntries(aclEntries)
	.build();
									
ContentItem crawlContentItem = ContentItem.newBuilder()
	.setContent(<a content item>)
	.setPropertyValues(<item properties>)
	.setAccessList(acl)
	.build();