======================================
Function
======================================
        {
            "category": "Messaging",
            "function_name": "send_email",
            "function_label": "Send Email",
            "result": {},
            "fields": [
                {
                    "name": "recipient",
                    "type": "text",
                    "label": "Recipient Email Address",
                    "required": false
                },
                {
                    "name": "subject",
                    "type": "text",
                    "label": "Subject",
                    "required": false
                },
                {
                    "name": "content",
                    "type": "text",
                    "label": "Message",
                    "required": false
                }
            ]
        }








======================================
APIs
======================================
        {
            "function_name": "send_email",
            "name": "Sendgrid",
            "url": "https://api.sendgrid.com/v3/mail/send",
            "header": {
                "Content-Type": "application/json",
                "Authorization": "Bearer <Secret API Key>"
            },
            "request_params_template": {},
            "request_body_template": {
                "from": {
                    "email": "notification@yoursmarthomeservice.com"
                },
                "content": [
                    {
                        "type": "text/plain",
                        "value": "§1§"
                    }
                ],
                "subject": "§2§",
                "personalizations": [
                    {
                        "to": [
                            {
                                "email": "§3§"
                            }
                        ]
                    }
                ]
            },
            "response_result_path": "",
            "request_method": "POST",
            "priority": 3,
            "enabled": true,
            "placeholders": [
                {
                    "id": 1,
                    "value": {
                        "field": "content",
                        "apply_function": false
                    },
                    "replace_as_string": true
                },
                {
                    "id": 2,
                    "value": {
                        "field": "subject",
                        "apply_function": false
                    },
                    "replace_as_string": true
                },
                {
                    "id": 3,
                    "value": {
                        "field": "recipient",
                        "apply_function": false
                    },
                    "replace_as_string": true
                }
            ]	    
        }
------------------------------------------
        {
            "function_name": "send_email",
            "name": "MessagingServiceEmail",
            "url": "https://messaging.gsq.ro/api/send_email/",
            "header": {},
            "request_params_template": {
                "token": "<Secret API Key>"
            },
            "request_body_template": {
                "content": "§1§",
                "subject": "§2§",
                "recipient": "§3§"
            },
            "response_result_path": "",
            "request_method": "POST",
            "priority": 2,
            "enabled": true,
            "placeholders": [
                {
                    "id": 1,
                    "value": {
                        "field": "content",
                        "apply_function": false
                    },
                    "replace_as_string": true
                },
                {
                    "id": 2,
                    "value": {
                        "field": "subject",
                        "apply_function": false
                    },
                    "replace_as_string": true
                },
                {
                    "id": 3,
                    "value": {
                        "field": "recipient",
                        "apply_function": false
                    },
                    "replace_as_string": true
                }
            ]	
        }



=======================================
Invocation Example
=======================================
{
  "function_name": "send_email",
  "specified_fields": [
    {
      "name": "recipient",
      "value": "your.email@domain.de"
    },
    {
      "name": "subject",
      "value": "Test Subject"
    },
    {
      "name": "content",
      "value": "test content"
    }
  ]
}