Create Message Template

Example request

{
  "template": {
    "channelContent": {
      "EMAIL": {
        "subject": "Welcome to SmartRecruiters",
        "content": "Hello, welcome to SmartRecruiters!"
      },
      "SMS_WHATSAPP": {
        "subject": "Welcome to SmartRecruiters",
        "content": "Hello, welcome to SmartRecruiters via SMS!"
      }
    }
  }
}