Have you taken a look at the accelerometer driver ("lis3dsh_driver.c") in the wiced_sense app's driver folder?
In the driver, there is a function called 'SetThrsSM' which takes an argument of type 'THRS_t'. This argument type is unique to this function. The type-definition of THRS_t and the function declaration of SetThrsSM can be found in the header file ("lis3dsh_driver.c").
Function Declaration in Header File: