Perform requests on your behalf at any time (refresh_token, offline_access)
Check "Require Secret for Web Server Flow"
Click on Save
It will take between 2-10 minutes for the changes to take effect
Click on Continue
Copy and save off the Consumer Key and the Consumer Secret - you will need these to setup the integration in One Click Contractor
Login to One Click Contractor as an Admin
Click on the Administration Tab on the top right
Click on the Integrations Tab
Click on the Authorize Button for Salesforce
Enter in your Consumer Key and Consumer Secret
You will be redirected to the Salesforce site, click Allow for OCC to have access to your Salesforce account
You will be redirected back to One Click Contractor and the Salesforce users will be shown. The first sync will take up to 5 minutes. Start by refreshing if you don't see the users.