/// <summary>
/// Bulk lookup of character IDs to corporation, alliance and faction
/// </summary>
/// <param name="characterIds">The character IDs to fetch affiliations for. All characters must exist, or none will be returned.</param>
/// <returns>Character corporation, alliance and faction IDs</returns>
public ESIResponse <List <GetcharacterAffiliationsResponse> > GetcharacterAffiliations(Int64[] characterIds)
{
var request = RestRequestHelper.CreatePostRequest($"characters/affiliation/");
request.AddBody(characterIds);
return(_client.Execute <List <GetcharacterAffiliationsResponse> >(request));
}