This field contains various flags assigned to the offer, these are the attributes, amenities and type of offer
For Camping/Youth Camp offers this field functionality changes to store mask of possible participants ages, used to search only for offers with specific participant ages.
List of possible age values is listed below.
| Flag name | decimal value | bits no. |
| Seniors offers | -9223372036854775808 | 64 |
| Object description | 4611686018427387904 | 63 |
| Object photo | 2305843009213693952 | 62 |
| Reserved | 1152921504606846976 | 61 |
| Mountains | 2251799813685248 | 52 |
| Reserved | 1125899906842624 | 51 |
| Free WiFi | 562949953421312 | 50 |
| for Adult | 281474976710656 | 49 |
| Reserved | 140737488355328 | 48 |
| Pilgrimage | 70368744177664 | 47 |
| Wellness | 35184372088832 | 46 |
| Reserved | 17592186044416 | 45 |
| Gay Only & Gay Friendly | 8796093022208 | 44 |
| Private pool | 4398046511104 | 43 |
| Barbecue | 2199023255552 | 42 |
| Home appliances | 1099511627776 | 41 |
| Fireplace | 549755813888 | 40 |
| Parking | 274877906944 | 39 |
| Near the slope | 137438953472 | 38 |
| Reserved | 68719476736 | 37 |
| Without passport | 34359738368 | 36 |
| Exotic offers | 17179869184 | 35 |
| lakes | 8589934592 | 34 |
| | 4294967296 | 33 |
| Ski resorts | 2147483648 | 32 |
| Seaside resorts | 1073741824 | 31 |
| City breaks | 536870912 | 30 |
| For families with childrens | 268435456 | 29 |
| Club hotel | 134217728 | 28 |
| Fitness / gym | 67108864 | 27 |
| Directly on the beach | 33554432 | 26 |
| Outdoor pool | 16777216 | 25 |
| indoor pool | 8388608 | 24 |
| Bicycles | 4194304 | 23 |
| Kindergarten | 2097152 | 22 |
| Water slides | 1048576 | 21 |
| Near airport | 524288 | 20 |
| Animation for adults | 262144 | 19 |
| Sport | 131072 | 18 |
| Tennis | 65536 | 17 |
| Golf | 32768 | 16 |
| Minigolf | 16384 | 15 |
| Water Sports | 8192 | 14 |
| Diving | 4096 | 13 |
| Riding | 2048 | 12 |
| Nordic walking | 1024 | 11 |
| Windsurfing | 512 | 10 |
| Facilities for disabled | 256 | 9 |
| Sailing | 128 | 8 |
| Pets | 64 | 7 |
| Internet access | 32 | 6 |
| Air conditioning | 16 | 5 |
| Night Life | 8 | 4 |
| Near the center | 4 | 3 |
| Winter Sports | 2 | 2 |
| Winter equipment rental | 1 | 1 |
In order to interrogate the system, several features should be added together to find deals, such as with air conditioning and nightlife in the field we have to insert the value “24”
The current list is always to download at http://www.merlinx.pl/mdsws/options.csv
In version 2.1, the field is also returned in response to a query type filters.
| Age (years) value | decimal value | bits no. |
| 26 | 2097152 | 22 |
| 25 | 1048576 | 21 |
| 24 | 524288 | 20 |
| 23 | 262144 | 19 |
| 22 | 131072 | 18 |
| 21 | 65536 | 17 |
| 20 | 32768 | 16 |
| 19 | 16384 | 15 |
| 18 | 8192 | 14 |
| 17 | 4096 | 13 |
| 16 | 2048 | 12 |
| 15 | 1024 | 11 |
| 14 | 512 | 10 |
| 13 | 256 | 9 |
| 12 | 128 | 8 |
| 11 | 64 | 7 |
| 10 | 32 | 6 |
| 9 | 16 | 5 |
| 8 | 8 | 4 |
| 7 | 4 | 3 |
| 6 | 2 | 2 |
| 5 | 1 | 1 |
By analogy to normal attributes, when searching for Camps, the participants ages should be specified by adding age values to form a bit mask.
By example when searching for child (12 years old) + child (9 years old):
128+16 = 144