Go to Setup, then type in Auth. Providers to the Quick Find box and select it.
Fill in the following Auth. Provider fields to these specifications:
|Name||LEDQ Tooling API|
|URL Suffix||LEDQ_Tooling_API (this will be auto populated)|
|Consumer Key||Copy and Paste the Consumer Key generated for the Connected App|
|Consumer Secret||Copy and Paste the Consumer Secret generated for the Connected App|
|Default Scopes||full refresh_token offline_access (copy and paste this)|
In the Auth. Provider Detail screen, copy the Callback URL at the bottom.
Go back and view your Connected App in App Manager. Click Edit.
Paste the copied Callback URL.