Killing an entity?

Hi guys, im trying to make a plugin who can destroy walls of players.
the requirement is; only the guy who placed the wall, can destroy the wall.

i tried that:

Code:

                    if (entity.userID == player.userID) {
                        entity.KillMessage();

but it isnt working?
can you help me please?

 

Code:

if (entity.ownerID == player.userID)
{
                        entity.KillMessage();
}

 

im totaly lost with this, how can i bind "player.eyes.HeadRay()" with "entity.ownerID == player.userID" ?
[DOUBLEPOST=1516914640][/DOUBLEPOST]i tried:

Code:

        [ChatCommand("r")]
        void cmdChatR(BasePlayer player, string command, string[] args) {
            if (args == null || args.Length == 0) {                RaycastHit hit;
                var hitSomething = Physics.Raycast(player.eyes.HeadRay(), out hit, g_config.maxDist);                if (!hitSomething) {
                    SendReply(player, "Too far away");
                    return;
                }                var entity = hit.GetEntity();                if (entity.ownerID == player.userID) {
                    SendReply(player, "Das ist deins!");
                }
            }
        }

but isnt working.