Step 1. Open the Aspire Admin UI.

Browse to the Aspire Admin UI. It is typically located at http://localhost:50505.

Step 2. Select the Credentials option from the left hand menu.

The credentials option, identified by a "key" image is located on the left side of the application, between the "Workflows" and "Connections" options. Click on it to navigate to the "Credentials" page.

Step 3. Specify Credential information

Once on the "Credentials" page, click on the the "+New" option to create a new Credential or select an existing one to modify it. You will be presented with the "General" section of the "Credentials" page. Here you need to enter the following information for the Credential:

• Description: specify a description for the credential. It is advised for it to be concise and meaningful.
  
• Type: select "Azure Identity" as the type for the credentia
• Client ID: Specify the Client ID for the credential.
• Client Secret: Specify the Client secret for the credential.

Step 4. Specify a Throttling Policy (Optional)

On the "Policies" section of the "Credentials", you have the option to specify a previously defined throttling policy for the connections using this credential: just select the desired policy from the list of available policies.

Step 5. Save the Credential

Click on the "Complete" button to save the new credential (when updating, the button option will read "Save" instead of "Complete").