Files can be sent manually in the Messages Module, sent programmatically using Automation rules, and sent using parameters in Dialogflow Intents.
RB_FILE parameter you can send files stored in the File Manager to contacts who trigger a Dialogflow Intent.
Before you can send a file, you must upload the file(s) to the respond.io File Manager. Then use the
RB_FILE parameter with the file ID as the value to send a file to a contact.
Only Files uploaded to the space connected to Dialogflow will be sent. Files uploaded to other spaces, will not be sent to the contact.