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How to receive incoming notifications#

Installation#

Do not forget to create a module:

go mod init example

Installation:

go get github.com/green-api/whatsapp-api-client-golang

Import#

import (
    "github.com/green-api/whatsapp-api-client-golang/pkg/api"
)

Examples#

How to initialize an object#

GreenAPI := api.GreenAPI{
    IDInstance:       "1101000001",
    APITokenInstance: "d75b3a66374942c5b3c019c698abc2067e151558acbd412345",
}

Note that keys can be obtained from environment variables:

IDInstance := os.Getenv("ID_INSTANCE")
APITokenInstance := os.Getenv("API_TOKEN_INSTANCE")

How to receive incoming notifications#

To receive incoming webhooks, you must send a handler function to Webhook().Start. The handler function should have one parameter (body map[string]interface{}). When you receive a new notification, your handler function will be executed. To stop receiving incoming webhooks, you need to call Webhook().Stop.

Link to example: webhook/main.go.

GreenAPIWebhook := GreenAPI.Webhook()

GreenAPIWebhook.Start(func(body map[string]interface{}) {
    fmt.Println(body)
})

Running the application#

go run main.go

List of examples#

Description Link to example
How to create a group createGroup/main.go
How to send a file by uploading from the disk sendFileByUpload/main.go
How to send a file by URL sendFileByURL/main.go
How to send a message sendMessage/main.go
How to receive incoming notifications webhook/main.go