! Argument !! Type !! Direction !! Purpose
|- align="left"
| Dictionary || IDictionary<String{{String_MSDN}},Object{{Object_MSDN}}> || In || The dictionary containing the items
|- align="left"
| Key || String {{String_MSDN}} || In || The item's key
|- align="left"
| Result|| {{BooleanBoolean_MSDN}} || Out || True if item has been removed
|}