//---global variables
inventories = createHashMap; //add "map_key" value pair
map_key="a map key string"; //map key
inventories set [map_key, ["name",10] ];  //set random array-like value //name and inv size

inv=[]; //global scope buffer variable, for both server and client

//---add action
[ player, ["get inv", 

    {

      	inv = ["",-1]; //make sure inv reset for wait
	[map_key, clientOwner] remoteexec ["AW_request_inventory",2]; //ask server for inv variable with function AW_request_inventory

	while { inv#1<0 } do { sleep .01 };  //wait for inv to update

        systemChat str inv; //this fails |#|inv undefined variable, if the function refers to a hashmap instead of an array, which works

    }
] remoteExec ["addAction", 0, true]; //add to every player, jip

//---function to call from add action 
AW_request_inventory = { params [ "_name_string", "_request_id"];

    inv = inventories get _name_string; //fill inv global buffer serverside //this works with an array, but not the new hashmap get

    _request_id publicVariableClient "inv"; //send variable "inv" to _request_id param, ie the player that requested it

 };