Hi mate, there is a hash defined that has all available compositions:

ALIVE_compositions = [] call ALIVE_fnc_hashCreate;
[ALIVE_compositions, "HQ", ["smallHQOutpost1","largeMedicalHQ1"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "camps", ["smallConvoyCamp1","smallMilitaryCamp1","smallMortarCamp1","mediumAACamp1","mediumMilitaryCamp1","mediumMGCamp1","mediumMGCamp2","mediumMGCamp3"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "communications", ["communicationCamp1"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "fuel", ["smallFuelStation1","mediumFuelSilo1"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "constructionSupplies", ["bagFenceKit1","hbarrierKit1","hbarrierKit2","hbarrierWallKit1","hbarrierWallKit2"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "crashsites", ["smallOspreyCrashsite1","smallAH99Crashsite1","mediumc192Crash1"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "objectives", ["largeMilitaryOutpost1","mediumMilitaryOutpost1","hugeSupplyOutpost1","hugeMilitaryOutpost1"]] call ALIVE_fnc_hashSet;
[ALIVE_compositions, "other", ["smallATNest1","smallMGNest1","smallCheckpoint1","smallRoadblock1","mediumCheckpoint1","largeGarbageCamp1"]] call ALIVE_fnc_hashSet;