This function makes a POST request to to publish messages to your remote devices through the Africa's talking IOT endpoint The function accepts a map of parameters.

Parameters

attrs: - a map containing:

• deviceGroup - The device group to which the message is to be sent
• topic - The messaging channel to which the message is to be sent. In the form <username>/<device-group>/<the-topic>
• payload - The message packet to be sent to the subscribed devices.

Example

iex> AtEx.IoT.publish(%{
...>   deviceGroup: "CrazyCats",
...>   topic: "any-topic",
...>   payload: "take me to your leader"
...> })
{:ok, %{ "status" => true, "description" => "Message processed successfully"}}