Need help making it so i can use energy dashboard Home Assistant

[Thepyropc]

so im not sure where to put the code for kwh
#Total kWh

platform: total_daily_energy
name: ${disp_name} Total kWh
power_id: totalWatts
filters:
multiply: 0.001
unit_of_measurement: kWh
time:
platform: sntp
id: sntp_time
like does it go into the programing in esp home or does it go in my configuration file on home assistant im just confused cause wherever i put it i get errors