Sample code for a generic version of an action that will get the name of the User who has claimed any ItemType

labs_GenericCheckClaimedBy.cs

Innovator inn = this.getInnovator();

// Check to see if this item is claimed at all
if (this.isLocked() == 0)
{
    return inn.newResult("No one");
}

// Query to make sure that we have the locked_by_id property
string selectedType = this.getType();
Item selectedItem = inn.newItem(selectedType, "get");
selectedItem.setID(this.getID());
selectedItem.setAttribute("select", "locked_by_id(keyed_name)");
selectedItem = selectedItem.apply();

// Get the name of the user who locked this part
Item claimer = selectedItem.getPropertyItem("locked_by_id");
string claimerName = claimer.getProperty("keyed_name");

return inn.newResult(claimerName);