$ heroku plugins:install @heroku-cli/heroku-connect-plugin
Installing plugin @heroku-cli/heroku-connect-plugin... installed$ heroku help connect heroku connect:db:set                  - Set database parameters
heroku connect:diagnose                - Display diagnostic information about a connection
heroku connect:export                  - Export a mapping configuration JSON file
heroku connect:import FILE             - Import a mapping configuration JSON file
heroku connect:info                    - Display connection information 
heroku connect:mapping:state MAPPING   - Return the state of a mapping
heroku connect:mapping:delete MAPPING  - Delete an existing mapping
heroku connect:mapping:reload MAPPING  - Reload a mapping's data from Salesforce
heroku connect:pause                   - Pause a connection
heroku connect:resume                  - Resume a connection
heroku connect:restart                 - Restart a connection
heroku connect:sf:auth                 - Authenticate a connection to Salesforce
heroku connect:state                   - Return the state flag for a single connection
Download an existing mapping configuration
$ heroku connect:export
Saved config-file: app-name-resource-name.jsonMake sure you have a Heroku app, with a Postgres database attached
$ heroku addons:create herokuconnect$ heroku connect:info$ heroku connect:db:set --db=DATABASE_URL --schema=salesforce
settings database parameters... done
db_key:      DATABASE_URL
schema_name: salesforceIf either option is not supplied, this command will ask for a value.
$ heroku connect:sf:auth
Launching Salesforce for authorization. If your browser doesn't open, please copy the following URL to proceed:
https://login.salesforce.com/services/oauth2/authorize?…
This will launch your browser for an interactive authorization session.$ heroku connect:state
IDLEThis could be exported using the connect:export command or directly through the Heroku Connect dashboard. By editing this configuration file, you can add and edit existing mappings easily.
$ heroku connect:import app-name-resource-name.json
Upload completeIf you need to delete a mapping after the configuration has been imported, you can use a separate command for that:
$ heroku connect:mapping:delete Contact$ heroku pg:psql
> select * from salesforce.contact;Read the following: