Starting point

Register your project here https://business-communications.cloud.google.com/console/

Install

Install database

Execute extension/googlebusinessmessage/doc/install.sql or just execute from command line

php cron.php -s site_admin -e googlebusinessmessage -c cron/update_structure

Export Service account

• Go to https://business-communications.cloud.google.com/console/
• Click Parner account settings
• Click Service account
• Create key and download json file.
• Copy settings/google_service.json.default.php to settings/google_service.json.php
• Modify file and put json file content in dedicated place in settings/google_service.json.php file.

Truncated sample file

Hierarchy

• Partner
• Agent
• Service Account export

Usefull links

• https://github.com/googleapis/google-api-php-client - PHP library
• https://developers.google.com/business-communications/business-messages/guides - main documentation page
• https://github.com/google-business-communications/bm-snippets-curl - code samples with CURL
• https://github.com/google-business-communications/bc-bm-nodejs-command-line-examples - NodeJS samples