vRa 8.12 Login PowerShell REST

$body = @{'domain' = 'XXXXX'
                  'password' = 'FXXXXX'
                  'username' = 'XXXXX'}
$data = $body | ConvertTo-Json

$refreshToken = Invoke-RestMethod -Method Post -Uri 'https://XXXXXXX/csp/gateway/am/api/login?access_token' -Headers @{'Content-Type'='application/json'} -Body $data

$refreshToken = @{'refreshToken' = $refreshToken.refresh_token}
$refreshToken1 = $refreshToken | ConvertTo-Json
$token = Invoke-RestMethod -Method Post -Uri 'https://<tenant.vRaServerWithDNS>/iaas/api/login' -Headers @{'Content-Type'='application/json'} -Body $refreshToken1


$headers = @{'Content-Type'='application/json'
                      'Authorization' = 'Bearer ' + $token.token}

Invoke-RestMethod -Method Get -Uri 'https://<tenant.vRaServerWithDNS>/deployment/api/deployments?page=0&size=20&sort=createdAt%2CDESC&%24top=1&%24skip=0' -Headers $headers