# SDL_hid_ble_scan Start or stop a BLE scan on iOS and tvOS to pair Steam Controllers. ## Header File Defined in [<SDL3/SDL_hidapi.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hidapi.h) ## Syntax ```c void SDL_hid_ble_scan(bool active); ``` ## Function Parameters | | | | | ---- | ---------- | ----------------------------------------------- | | bool | **active** | true to start the scan, false to stop the scan. | ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryHIDAPI](CategoryHIDAPI)