An electronic device comprising: a memory; a communication unit for exchanging communications with a wearable device and an external device; and at least one processor that is operatively coupled to the memory, configured to: detect an event that is associated with a connection with the external device; identify a function that is associated with the external device in response to the event; and transmit to the wearable device an instruction for executing the function, wherein the instruction is transmitted via the communications unit.