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substitutions-without-mailer-helper.md

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Substitutions - Without Mail Helper Class

package main
 
import (
  "fmt"
  "log"
  "os"
 
  "github.com/sendgrid/sendgrid-go"
)
 
func main() {
  request := sendgrid.GetRequest(os.Getenv("SENDGRID_API_KEY"), "/v3/mail/send", "https://api.sendgrid.com")
  request.Method = "POST"
  request.Body = []byte(` {
     "personalizations": [
         {
             "to": [
                 {
                     "email": "[email protected]"
                 }
             ],
             "subject": "Substitutions can be fun",
             "substitutions": {
               "-name-": "Example User",
               "-city-": "Denver",
               "-user_id-": "343"
             }, 
             "custom_args": {
               "user_id": "-user_id-", 
               "city": "-city-"
             }
         }
     ],
     "from": {
         "email": "[email protected]"
     },
     "content": [
         {
             "type": "text/html",
             "value": "<html>\n<head>\n\t<title></title>\n</head>\n<body>\nHello -name-,\n<br /><br/>\nI'm glad you are trying out the Substitutions feature!\n<br /><br/>\nI hope you are having a great day in -city- :)\n<br /><br/>\n</body>\n</html>"
         }
     ]
 }`)
  response, err := sendgrid.API(request)
  if err != nil {
    log.Println(err)
  } else {
    fmt.Println(response.StatusCode)
    fmt.Println(response.Body)
    fmt.Println(response.Headers)
  }
}