MemberAccounts => ArrayRef[Str|Undef]

An array of account IDs.

NextToken => Str

If you have more member account IDs than the number that you specified for MaxResults in the request, the response includes a NextToken value. To list more IDs, submit another ListMemberAccounts request, and specify the NextToken value from the response in the NextToken value in the next request.

_request_id => Str