If the Edval app is not yet created, follow the steps below.
Go to Setup -> App Manager.
In the Lightning Experience App Manager, click the New Connected App button.
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Input the following values:
Connected App Name = Edval
API Name = Edval (auto-populated)
Contact Email = product email/company email
Enable OAuth Settings = Checked
Callback URL = (URL is login if production, test if sandbox)
Selected OAuth Scopes = Full access (full)
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Go back to the App Manager and click Manage beside the LISS/Edval app.
Click Edit Policies and update the IP Relaxation to Relax IP restrictions and save.
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Go to Setup > OAuth and OpenID Connect Settings > enable Allow OAuth Username-Password Flows
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