afhttpsessionmanager *manger = [afhttpsessionmanager manager];
Manger. securitypolicy = [afsecuritypolicy policywithpinningmode:afsslpinningmodenone ];
Manger. Requestserializer = [afjsonrequestserializer serializer];
Manger. Responseserializer = [afjsonresponseserializer serializer];
[Manger. requestserializer setValue:@ "123456" forhttpheaderfield:@ "UID"];
[Manger. requestserializer setValue:@ "78912345" forhttpheaderfield:@ "token"]
Similarly
afhttprequestoperationmanager *manager = [Afhttprequestoperationmanager manager];
Manager.securitypolicy = [Afsecuritypolicy policywithpinningmode:afsslpinningmodenone];
Manager.requestserializer = [Afjsonrequestserializer serializer];
Manager.responseserializer = [Afjsonresponseserializer serializer];
[Manager.requestserializer setvalue:@ "value" forhttpheaderfield:@ "name"];
iOS set head request header, custom head