1.Place Unit.
2. Change their uniform/vest/headgear , I usualy do it using the Virtual Arsenal and Export what i've selected for example :
"
comment "Exported from Arsenal by Whiplash";
comment "Remove existing items";
removeAllWeapons this;
removeAllItems this;
removeAllAssignedItems this;
removeUniform this;
removeVest this;
removeBackpack this;
removeHeadgear this;
removeGoggles this;
comment "Add containers";
this forceAddUniform "U_I_CombatUniform";
this addVest "V_Chestrig_oli";
for "_i" from 1 to 3 do {this addItemToVest "30Rnd_556x45_Stanag";};
for "_i" from 1 to 2 do {this addItemToVest "9Rnd_45ACP_Mag";};
for "_i" from 1 to 2 do {this addItemToVest "HandGrenade";};
for "_i" from 1 to 2 do {this addItemToVest "I_IR_Grenade";};
this addItemToVest "SmokeShell";
this addItemToVest "SmokeShellGreen";
for "_i" from 1 to 2 do {this addItemToVest "Chemlight_green";};
this addBackpack "I_Mortar_01_weapon_F";
this addHeadgear "H_HelmetIA";
comment "Add weapons";
this addWeapon "arifle_Mk20C_ACO_pointer_F";
this addPrimaryWeaponItem "acc_pointer_IR";
this addPrimaryWeaponItem "optic_ACO_grn";
this addWeapon "hgun_ACPC2_F";
comment "Add items";
this linkItem "ItemMap";
this linkItem "ItemCompass";
this linkItem "ItemWatch";
this linkItem "ItemRadio";
this linkItem "NVGoggles_INDEP";
"
3.Save mission and Publish on Steam Workshop
4.Play mission on Secnario section and then on Multiplayer to watch the differences.