require 'appwrite'
include Appwrite
client = Client.new
.set_endpoint('https://<REGION>.cloud.appwrite.io/v1') # Your API Endpoint
.set_project('<YOUR_PROJECT_ID>') # Your project ID
.set_key('<YOUR_API_KEY>') # Your secret API key
messaging = Messaging.new(client)
result = messaging.update_email(
message_id: '<MESSAGE_ID>',
topics: [], # optional
users: [], # optional
targets: [], # optional
subject: '<SUBJECT>', # optional
content: '<CONTENT>', # optional
draft: false, # optional
html: false, # optional
cc: [], # optional
bcc: [], # optional
scheduled_at: '2020-10-15T06:38:00.000+00:00', # optional
attachments: [] # optional
)