def simxGetArrayParameter(clientID, paramIdentifier, operationMode):
    '''
    Please have a look at the function description/documentation in the V-REP user manual
    '''
    paramValues = (ct.c_float*3)()
    ret = c_GetArrayParameter(clientID, paramIdentifier, paramValues, operationMode)
    arr = []
    for i in range(3):
        arr.append(paramValues[i])
    return ret, arr
Please have a look at the function description/documentation in the V-REP user manual