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Help with Tesla Powerwall API V3
#1
Tesla recently changed its api to use v3 of the Tesla auth endpoint.

I've seen the V1 example script for logic machine, however the auth process seems a bit more complicated now!

An explanation of the auth process can be found here: https://tesla-api.timdorr.com/api-basics/authentication  and here https://teslamotorsclub.com/tmc/threads/...st-5308136

I've seen an example script written in Python

https://github.com/fkhera/powerwallCloud...up.py#L132

Is anyone able to help me convert to lua to run on logic machine.


Specifically I'd like to automate a change in mode from 'backup-only' (which forces the Powerwall to charge from the Grid when rates are cheap) to 'self-powered' (which discharges the battery to power our home).

Many thanks in advanced

Kind Regards
James
Reply
#2
follow +1
Reply
#3
If you can provide username/password via PM then I can create an example.
Reply
#4
Many thanks!
Reply
#5
This should get you a request token and refresh token which can be used for further API calls. But this can stop working anytime if the login page structure changes since this example emulates user interaction with the login page.
Code:
username = 'user@domain.com'
password = 'password'
client_id = 'ID'
client_secret = 'SECRET'

encdec = require('encdec')
http = require('socket.http')
mime = require('mime')
ltn12 = require('ltn12')
json = require('json')

function mt()
  local ts, tu = os.microtime()
  return ts .. '.' .. tu
end

function b64url(str)
  return mime.b64(str):gsub('.', {
    ['+'] = '-',
    ['/'] = '_',
    ['='] = '',
  })
end

function encodeargs(t)
  local res = {}
  local esc = require('socket.url').escape

  for k, v in pairs(t) do
    res[ #res + 1 ] = esc(k) .. '=' .. esc(v)
  end

  return table.concat(res, '&')
end

code_verifier = encdec.sha512(mt()):sub(1, 86)
state = b64url(encdec.sha256(mt()):sub(1, 12))
code_challenge = b64url(code_verifier)

args = encodeargs({
  client_id = 'ownerapi',
  code_challenge = code_challenge,
  code_challenge_method = 'S256',
  redirect_uri = 'https://auth.tesla.com/void/callback',
  response_type = 'code',
  scope = 'openid email offline_access',
  state = state,
})

url = 'https://auth.tesla.com/oauth2/v3/authorize?' .. args
res, code, headers = http.request(url)
if not res or code ~= 200 then
  log('request 1 failed', res, code)
  return
end

postdata = {}
regexp = '<input type="hidden" name="([^"]+)" value="([^"]*)"'

for name, value in res:gmatch(regexp) do
  postdata[ name ] = value
end

postdata.identity = username
postdata.credential = password

cookie = headers['Set-Cookie'] or headers['set-cookie'] or ''
body = encodeargs(postdata)

res, code, headers = http.request({
  url = url,
  method = 'POST',
  source = ltn12.source.string(body),
  headers = {
    ['Content-Type'] = 'application/x-www-form-urlencoded',
    ['Content-Length'] = #body,
    ['Cookie'] = cookie,
  }
})

if not res or code ~= 302 then
  log('request 2 failed', res, code)
  return
end

hdr = headers.Location or headers.location
resp_code = hdr:match('code=([^&]+)')

body = json.encode({
  grant_type = 'authorization_code',
  client_id = 'ownerapi',
  code = resp_code,
  code_verifier = code_verifier,
  redirect_uri = 'https://auth.tesla.com/void/callback',
})

resp = {}

res, code, headers = http.request({
  url = 'https://auth.tesla.com/oauth2/v3/token',
  method = 'POST',
  source = ltn12.source.string(body),
  sink = ltn12.sink.table(resp),
  headers = {
    ['Content-Type'] = 'application/json',
    ['Accept'] = 'application/json',
    ['Content-Length'] = #body,
    ['User-Agent'] = 'Mozilla/5.0 (Linux; Android 9.0.0; VS985 4G Build/LRX21Y; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36',
    ['X-Tesla-User-Agent'] = 'TeslaApp/3.4.4-350/fad4a582e/android/9.0.0',
  }
})

if not res or code ~= 200 then
  log('request 3 failed', res, code)
  return
end

resp = table.concat(resp)
resp = json.pdecode(resp)

bearer_token = resp.access_token
refresh_token = resp.refresh_token

body = json.encode({
  grant_type = 'urn:ietf:params:oauth:grant-type:jwt-bearer',
  client_id = client_id,
  client_secret = client_secret,
})

resp = {}

res, code, headers = http.request({
  url = 'https://owner-api.teslamotors.com/oauth/token',
  method = 'POST',
  source = ltn12.source.string(body),
  sink = ltn12.sink.table(resp),
  headers = {
    ['Content-Type'] = 'application/json',
    ['Authorization'] = 'Bearer ' .. bearer_token,
    ['Content-Length'] = #body,
  }
})

print(res, code)
if not res or code ~= 200 then
  log('request 4 failed', res, code)
  return
end

resp = table.concat(resp)
resp = json.pdecode(resp)

access_token = resp.access_token
log(access_token)
Reply
#6
Hi

Many thanks for the example. I've loaded it onto my Schneider SHAC (which runs an older version of the logic machine os) however I get the following error

script:36: attempt to call field 'sha512' (a nil value)

Kind Regards
James
Reply
#7
Try replacing these lines:
Code:
code_verifier = encdec.sha512(mt()):sub(1, 86)
state = b64url(encdec.sha256(mt()):sub(1, 12))
code_challenge = b64url(code_verifier)

With this:
Code:
rnd = encdec.sha256(mt())
code_verifier = (rnd .. rnd):sub(1, 86)
state = b64url(rnd:sub(1, 12))
code_challenge = b64url(code_verifier)
Reply
#8
Hi .. The script progresses a little further with this change, however still errors

Can you suggest what else I should update?

* arg: 1
* string: request 1 failed
* arg: 2
* nil
* arg: 3
* string: error:1409442E:lib(20):func(148):reason(1070)

Kind Regards
James
Reply
#9
This is due to outdated libraries in your firmware. Unfortunately it's not possible to update these libraries separately.
See if this works for you:
Code:
username = 'user@domain.com'
password = 'password'
client_id = 'ID'
client_secret = 'SECRET'

encdec = require('encdec')
http = require('socket.http')
mime = require('mime')
ltn12 = require('ltn12')
json = require('json')

function mt()
  local ts, tu = os.microtime()
  return ts .. '.' .. tu
end

function b64url(str)
  return mime.b64(str):gsub('.', {
    ['+'] = '-',
    ['/'] = '_',
    ['='] = '',
  })
end

function encodeargs(t)
  local res = {}
  local esc = require('socket.url').escape

  for k, v in pairs(t) do
    res[ #res + 1 ] = esc(k) .. '=' .. esc(v)
  end

  return table.concat(res, '&')
end

rnd = encdec.sha256(mt())
code_verifier = (rnd .. rnd):sub(1, 86)
state = b64url(rnd:sub(1, 12))
code_challenge = b64url(code_verifier)

args = encodeargs({
  client_id = 'ownerapi',
  code_challenge = code_challenge,
  code_challenge_method = 'S256',
  redirect_uri = 'https://auth.tesla.com/void/callback',
  response_type = 'code',
  scope = 'openid email offline_access',
  state = state,
})

resp = {}

url = 'https://auth.tesla.com/oauth2/v3/authorize?' .. args
res, code, headers = http.request({
  url = url,
  sink = ltn12.sink.table(resp),
  protocol = 'tlsv12',
})

if not res or code ~= 200 then
  log('request 1 failed', res, code)
  return
end

postdata = {}
regexp = '<input type="hidden" name="([^"]+)" value="([^"]*)"'

resp = table.concat(resp)
for name, value in resp:gmatch(regexp) do
  postdata[ name ] = value
end

postdata.identity = username
postdata.credential = password

cookie = headers['Set-Cookie'] or headers['set-cookie'] or ''
body = encodeargs(postdata)

res, code, headers = http.request({
  url = url,
  method = 'POST',
  source = ltn12.source.string(body),
  protocol = 'tlsv12',
  headers = {
    ['Content-Type'] = 'application/x-www-form-urlencoded',
    ['Content-Length'] = #body,
    ['Cookie'] = cookie,
  }
})

if not res or code ~= 302 then
  log('request 2 failed', res, code)
  return
end

hdr = headers.Location or headers.location
resp_code = hdr:match('code=([^&]+)')

body = json.encode({
  grant_type = 'authorization_code',
  client_id = 'ownerapi',
  code = resp_code,
  code_verifier = code_verifier,
  redirect_uri = 'https://auth.tesla.com/void/callback',
})

resp = {}

res, code, headers = http.request({
  url = 'https://auth.tesla.com/oauth2/v3/token',
  method = 'POST',
  source = ltn12.source.string(body),
  sink = ltn12.sink.table(resp),
  protocol = 'tlsv12',
  headers = {
    ['Content-Type'] = 'application/json',
    ['Accept'] = 'application/json',
    ['Content-Length'] = #body,
    ['User-Agent'] = 'Mozilla/5.0 (Linux; Android 9.0.0; VS985 4G Build/LRX21Y; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36',
    ['X-Tesla-User-Agent'] = 'TeslaApp/3.4.4-350/fad4a582e/android/9.0.0',
  }
})

if not res or code ~= 200 then
  log('request 3 failed', res, code)
  return
end

resp = table.concat(resp)
resp = json.pdecode(resp)

bearer_token = resp.access_token
refresh_token = resp.refresh_token

body = json.encode({
  grant_type = 'urn:ietf:params:oauth:grant-type:jwt-bearer',
  client_id = client_id,
  client_secret = client_secret,
})

resp = {}

res, code, headers = http.request({
  url = 'https://owner-api.teslamotors.com/oauth/token',
  method = 'POST',
  source = ltn12.source.string(body),
  sink = ltn12.sink.table(resp),
  protocol = 'tlsv12',
  headers = {
    ['Content-Type'] = 'application/json',
    ['Authorization'] = 'Bearer ' .. bearer_token,
    ['Content-Length'] = #body,
  }
})

print(res, code)
if not res or code ~= 200 then
  log('request 4 failed', res, code)
  return
end

resp = table.concat(resp)
resp = json.pdecode(resp)

access_token = resp.access_token
log(access_token)
Reply
#10
Generating the new auth_token is working on my SHAC (with the old libraries)

Thank you!!!


 I'd like to use this token to automate a change in mode from 'backup-only' (which forces the Powerwall to charge from the Grid when electricity rates are cheap) to 'self-powered' (which discharges the battery to power our home).



Could you please also help me convert the python code to pass this token back to the Tesla Powerwall to change the mode to Backup 

https://github.com/fkhera/powerwallCloud...up.py#L132


Code:
## Set Powerwall Operation to Charge (Backup) or Discharge (self_consumption)
    #  Pause PERHAPS WITH (self_consumption) w/ Current SoC as backup_reserve_percent
    def operation_set(self, real_mode, backup_reserve_percent):
        # auth_header = {'Authorization': 'Bearer ' + self.token}
        payload = {"backup_reserve_percent": backup_reserve_percent}
        #payload = json.dumps({"real_mode": real_mode, "backup_reserve_percent": backup_reserve_percent})

        set_endpoint = '/backup'
        set_url = self.energy_base_url + str(self.energy_site_id) + set_endpoint
        print ("Setting Operation for Site Id: ", self.energy_site_id)
        print ("Trying URL: ", set_url)

        print ("Setting mode: " + json.dumps(payload))

        try:
            result = requests.post(set_url, json=payload, headers=self.auth_header, timeout=50)
            print("Set result output: ", result.content)
            if result.status_code == 201:
                print("Successfully changed reserve mode")
        except HTTPError as err:
            print("Error: {0}".format(err))
        except Timeout as err:
            print("Request timed out: {0}".format(err))#

Many thanks again

Kind Regards
James
Reply
#11
This should provide a list of products which id should be used in the next request. Change gateway URL and token as needed.
Code:
http = require('socket.http')
ltn12 = require('ltn12')
json = require('json')

access_token = 'ABCDEF'

url = 'https://192.168.1.1/api/1/products'

resp = {}
res, code, headers = http.request({
  url = url,
  method = 'GET',
  sink = ltn12.sink.table(resp),
  protocol = 'tlsv12',
  headers = {
    ['Authorization'] = 'Bearer ' .. access_token,
  }
})

resp = table.concat(resp)
log(res, code, resp)

This request will set the battery reserve percent to 50. energy_site_id is the ID from the previous request.
Code:
http = require('socket.http')
ltn12 = require('ltn12')
json = require('json')

access_token = 'ABCDEF'
energy_site_id = '123456'
backup_reserve_percent = 50

url = 'https://192.168.1.1/api/1/energy_sites/' .. energy_site_id .. '/backup'

body = json.encode({
  backup_reserve_percent = backup_reserve_percent,
})

res, code, headers = http.request({
  url = url,
  method = 'POST',
  source = ltn12.source.string(body),
  protocol = 'tlsv12',
  headers = {
    ['Content-Type'] = 'application/json',
    ['Content-Length'] = #body,
    ['Authorization'] = 'Bearer ' .. access_token,
  }
})

log(res, code, headers)
Reply
#12
I've implemented the above and can report back that it's working!

The IP address in the URL above should be replaced with  'https://owner-api.teslamotors.com'


I'm still having a little trouble capturing the energy_site_id .. how does one traverse the returned table with a numeric (1) table name.


https://owner-api.teslamotors.com/api/1/products  returns data in the form 

Code:
* table:
[response]
  * table:
  [1]
    * table:
    [site_name]
      * string: Home Energy Gateway
    [energy_site_id]
      * string: xxxxxxx
    [id]
      * string: xxxx-xxx-xxxx-xxxx


which I'd normally process as follows

Code:
mydata = json.pdecode(table.concat(resp))

assetSiteD = mydata.response.1.energy_site_id


however the table name '1' in the above errors when I try to save the script

Code:
Lua syntax error at line 200: malformed number near '.1.energy_site_id'


How do I reference the value with a table name of 1?


Kind Regards
James
Reply
#13
Try this, or put quotes around 1 if it does not work.
Code:
assetSiteD = mydata.response[1].energy_site_id
Reply
#14
The [1] works ... the quotes did not.

Many thanks
Reply
#15
yes it works.. great
Reply
#16
hi there - I have a similar set up and need to use LUA - I am getting the following

trial access Tesla 2 05.12.2021 13:48:50
* arg: 1
* string: request 2 failed
* arg: 2
* string: <HTML><HEAD>
<TITLE>Access Denied</TITLE>
</HEAD><BODY>
<H1>Access Denied</H1>

You don't have permission to access "http://auth.tesla.com/oauth2/v3/authorize?" on this server.<P>
Reference #18.9444c717.1638672530.1633eb30
</BODY>
</HTML>

* arg: 3
* number: 403

any suggestions - with thanks
Reply
#17
(05.12.2021, 03:03)mikeatlorne Wrote: hi there - I have a similar set up and need to use LUA - I am getting the following

trial access Tesla 2 05.12.2021 13:48:50
* arg: 1
  * string: request 2 failed
* arg: 2
  * string: <HTML><HEAD>
<TITLE>Access Denied</TITLE>
</HEAD><BODY>
<H1>Access Denied</H1>

You don't have permission to access "http://auth.tesla.com/oauth2/v3/authorize?" on this server.<P>
Reference #18.9444c717.1638672530.1633eb30
</BODY>
</HTML>

* arg: 3
  * number: 403

any suggestions - with thanks

Hi, anyone having the same problem or doing progress with this topic? Mine stops during the same step as above.

Best regards
Eilert Bjerkan
HW: LM5-M4(i.MX6), FW: 20200703
Reply
#18
The login part has been modified so the automated way no longer works. The only way is to manually get both tokens. See this for more info: https://teslascope.com/help/generating-tokens
But in this case another script is needed to handle token refresh because they have a limited lifetime. It can be automated but if the token cannot be refreshed then it has to be updated manually again.
Reply
#19
(14.01.2022, 09:29)admin Wrote: The login part has been modified so the automated way no longer works. The only way is to manually get both tokens. See this for more info: https://teslascope.com/help/generating-tokens
But in this case another script is needed to handle token refresh because they have a limited lifetime. It can be automated but if the token cannot be refreshed then it has to be updated manually again.

i installed the Auth for Tesla app and get:
- Refresh Token
- Access Token

In the old situation it generates an Api Token and thats is used in the header.

How to use above codes in my lua code to get it working again?

Code:
-- Load modules
encdec = require('encdec')
http = require('socket.http')
mime = require('mime')
ltn12 = require('ltn12')
json = require('json')
https = require('ssl.https')

-- set credentials
username = 'my@email.com'
password = 'myPassword'
client_id = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -- default, do not change unless Tesla makes changes
client_secret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -- default, do not change unless Tesla makes changes

-- all Tesla devices
tesla =    {} -- car, vehicle_id
tesla[1] = {'myCar1', 'myVehicleId'}
CarID = tesla[1][2] -- run the script once, and look in the logs you will find a string called id_s this number is your vehicle ID, this should be replaced with the 123 in this field, remember to add "", then run script again, and you will get it to work!


function GetToken()
  function mt()
    local ts, tu = os.microtime()
    return ts .. '.' .. tu
  end

  function b64url(str)
    return mime.b64(str):gsub('.', {
      ['+'] = '-',
      ['/'] = '_',
      ['='] = '',
    })
  end

  function encodeargs(t)
    local res = {}
    local esc = require('socket.url').escape

    for k, v in pairs(t) do
      res[ #res + 1 ] = esc(k) .. '=' .. esc(v)
    end

    return table.concat(res, '&')
  end

  code_verifier = encdec.sha512(mt()):sub(1, 86)
  state = b64url(encdec.sha256(mt()):sub(1, 12))
  code_challenge = b64url(code_verifier)

  args = encodeargs({
    client_id = 'ownerapi',
    code_challenge = code_challenge,
    code_challenge_method = 'S256',
    redirect_uri = 'https://auth.tesla.com/void/callback',
    response_type = 'code',
    scope = 'openid email offline_access',
    state = state,
  })

  url = 'https://auth.tesla.com/oauth2/v3/authorize?' .. args
  res, code, headers = http.request(url)
  if not res or code ~= 200 then
    --log('request 1 failed', res, code)
    return
  end

  postdata = {}
  regexp = '<input type="hidden" name="([^"]+)" value="([^"]*)"'

  for name, value in res:gmatch(regexp) do
    postdata[ name ] = value
  end

  postdata.identity = username
  postdata.credential = password

  cookie = headers['Set-Cookie'] or headers['set-cookie'] or ''
  body = encodeargs(postdata)

  res, code, headers = http.request({
    url = url,
    method = 'POST',
    source = ltn12.source.string(body),
    headers = {
      ['Content-Type'] = 'application/x-www-form-urlencoded',
      ['Content-Length'] = #body,
      ['Cookie'] = cookie,
    }
  })

  if not res or code ~= 302 then
    --log('request 2 failed', res, code)
    return
  end

  hdr = headers.Location or headers.location
  resp_code = hdr:match('code=([^&]+)')

  body = json.encode({
    grant_type = 'authorization_code',
    client_id = 'ownerapi',
    code = resp_code,
    code_verifier = code_verifier,
    redirect_uri = 'https://auth.tesla.com/void/callback',
  })

  resp = {}

  res, code, headers = http.request({
    url = 'https://auth.tesla.com/oauth2/v3/token',
    method = 'POST',
    source = ltn12.source.string(body),
    sink = ltn12.sink.table(resp),
    headers = {
      ['Content-Type'] = 'application/json',
      ['Accept'] = 'application/json',
      ['Content-Length'] = #body,
      ['User-Agent'] = 'Mozilla/5.0 (Linux; Android 9.0.0; VS985 4G Build/LRX21Y; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36',
      ['X-Tesla-User-Agent'] = 'TeslaApp/3.4.4-350/fad4a582e/android/9.0.0',
    }
  })

  if not res or code ~= 200 then
    --log('request 3 failed', res, code)
    return
  end

  resp = table.concat(resp)
  resp = json.pdecode(resp)

  bearer_token = resp.access_token
  refresh_token = resp.refresh_token

  body = json.encode({
    grant_type = 'urn:ietf:params:oauth:grant-type:jwt-bearer',
    client_id = client_id,
    client_secret = client_secret,
  })

  resp = {}

  res, code, headers = http.request({
    url = 'https://owner-api.teslamotors.com/oauth/token',
    method = 'POST',
    source = ltn12.source.string(body),
    sink = ltn12.sink.table(resp),
    headers = {
      ['Content-Type'] = 'application/json',
      ['Authorization'] = 'Bearer ' .. bearer_token,
      ['Content-Length'] = #body,
    }
  })

  --print(res, code)
  if not res or code ~= 200 then
    --log('request 4 failed', res, code)
    return
  end

  resp = table.concat(resp)
  resp = json.pdecode(resp)

  return resp.access_token
end

-- Request token
if not API_Token then
    API_Token = GetToken()
end

function RequestFromTesla(request)
  request_url = 'https://owner-api.teslamotors.com/api/1/' .. request
  local response_body = {}
  local request_body = ""
  local body, code, hdrs, stat = ssl.https.request{
    url = request_url;
    method = "GET";
    headers =
    {
      ["Content-Type"] = "application/json";
      ["Authorization"] = "Bearer " .. API_Token;
    };
    source = ltn12.source.string(request_body);
    sink = ltn12.sink.table(response_body);
  }
  if code == 200 then
    ret = table.concat(response_body)
    ret = json.pdecode(ret)
    return ret
  else
    API_Token = GetToken() -- request a new token
  end
end

function WriteToTesla(request, request_body)
  request_url = 'https://owner-api.teslamotors.com/api/1/' .. request
  local response_body = {}
  local content_length

  if type(request_body) == "string" then
    content_length = #request_body
  else
    request_body = ""
  end

  local body, code, hdrs, stat = ssl.https.request{
    url = request_url;
    method = "POST";
    headers =
    {
      ["Content-Type"] = "application/json";
      ["Authorization"] = "Bearer " .. API_Token;
      ["Content-Length"] = content_length;
    };
    source = ltn12.source.string(request_body);
    sink = ltn12.sink.table(response_body);
  }
  if code == 200 then
    ret = table.concat(response_body)
    ret = json.pdecode(ret)
    return ret
  else
    API_Token = GetToken() -- request a new token
  end
end

---------------------------------------------------------------------------------------

-- Get products
function get_products()
    products = RequestFromTesla('products')
  return(products) -- Check here your product ID
end

-- Get vehicles
function get_vehicles()
    vehicles = RequestFromTesla('vehicles')
    return(vehicles) -- Check here your Vehicles
end

-- Get onboarding data
function get_onboarding_data()
    onboarding_data = RequestFromTesla('users/onboarding_data')
    return(onboarding_data)
end

-- Get vehicle data
function get_vehicle_data()
    vehicle_data = RequestFromTesla('vehicles/' .. CarID .. '/vehicle_data')
    return(vehicle_data)
end

-- Wake up car
function wake_up()
    result = WriteToTesla('vehicles/' .. CarID .. '/wake_up')
    debugLog(result)
end

-- Unlock car
function door_unlock()
    result = WriteToTesla('vehicles/' .. CarID .. '/command/door_unlock')
    return(result)
end

-- Lock car
function door_lock()
  result = WriteToTesla('vehicles/' .. CarID .. '/command/door_lock')
    return(result)
end

-- Honk horn
function honk_horn()
  result = WriteToTesla('vehicles/' .. CarID .. '/command/honk_horn')
    return(result)
end

-- Flash lights
function flash_lights()
  result = WriteToTesla('vehicles/' .. CarID .. '/command/flash_lights')
    return(result)
end

-- Autocondition start
function auto_conditioning_start()
    result = WriteToTesla('vehicles/' .. CarID .. '/command/auto_conditioning_start')
    return(result)
end

-- Autocondition stop
function auto_conditioning_stop()
    result = WriteToTesla('vehicles/' .. CarID .. '/command/auto_conditioning_stop')
    return(result)
end

-- Set temperature
function set_temps(iDriverTemp,iPassengerTemp)
    result = WriteToTesla('vehicles/' .. CarID .. '/command/set_temps?driver_temp='..iDriverTemp..'&passenger_temp='..iPassengerTemp)
    return(result)
end

-- Charge port door open
function charge_port_door_open()
    result = WriteToTesla('vehicles/' .. CarID .. '/command/charge_port_door_open')
    return(result)
end

-- Start charging
function charge_start()
    result = WriteToTesla('vehicles/' .. CarID .. '/command/charge_start')
    return(result)
end

-- Stop charging
function charge_stop()
    result = WriteToTesla('vehicles/' .. CarID .. '/command/charge_stop')
    return(result)
end

-- Open trunk rear
function actuate_trunk()
  result = WriteToTesla('vehicles/' .. CarID .. '/command/actuate_trunk', '{"which_trunk":"rear"}')
    return(result)
end

-- Open trunk front
function actuate_frunk()
  result = WriteToTesla('vehicles/' .. CarID .. '/command/actuate_trunk', '{"which_trunk":"front"}')
    return(result)
end
Reply
#20
Specify API_Token = 'xyz' together with other credentials then you should be able to use the RequestFromTesla/WriteToTesla functions. Keep in mind that the token has expiration time and has to be refreshed.
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