# Cardknox
In this step you will create one **External credentials**, and create three Named credentials.
{% hint style="warning" %}
Important: When creating your credentials, use the exact spelling and capitalization indicated and follow the credential creation and Flow run in order.
{% endhint %}
## Retrieve or create your API keys from the Gateway
You will need 2 keys. Copy these to a separate document so you can reference them in a later step.
* An Ifields Key Key (you will use this key as is)
* An API Key
### External Credentials
To create the first credential:
1. Navigate to Setup > Named Credentials.
2. Click the External Credentials tab.
3. Click New.
4. Enter the following values:
5. Label and Name: cardknoxExternal
6. Authentication Protocol: Custom
7. Click Save.
8. In the credential record, scroll down to locate the Principals section and click New to create a new Principal record.
Add the following values:
1. Parameter name: keys
2. Sequence Number: 1
3. Add New Authentication Parameter
1. Name: ifields
2. Value: your ifield API key
4. Add a second New Parameter
1. Name: key
2. value: your API key
5. Click Save.
### Named Credentials
From Setup, navigate to Named Credentials.
In the Named Credentials tab:
1. Click New and complete the following field values:
2. 1. Label and Name: ‘cardknoxPaytram’.
2. URL field:
3. Enabled for Callouts: true.
4. For the External Credential, select the ‘cardknoxExternal’ credential you previously created.
5. Select all Callout Options.
6. Allowed Namespaces for Callouts: ‘paytram’.
3. Click Save.
#### Now create the second Named credential.
1. Click New and complete the following field values:
2.
```
1. Label and Name: ‘cardknoxV2’.
```
```
2. URL field: https://api.cardknox.com/v2
3. Enabled for Callouts: true.
4. For the External Credential, select the ‘cardknoxExternal’ credential you previously created.
5. Select all Callout Options.
6. Allowed Namespaces for Callouts: ‘paytram’.
```
3\. Click Save.
#### Now create the third Named credential.
1. Click New and complete the following field values:
2.
```
1. Label and Name: ‘cardknoxV1’.
```
```
2. URL field: https://x1.cardknox.com/
3. Enabled for Callouts: true.
4. For the External Credential, select the ‘cardknoxExternal’ credential you previously created.
5. Select all Callout Options.
6. Allowed Namespaces for Callouts: ‘paytram’.
```
3\. Click Save.
## Adjust Session Settings
Navigate to Setup > Session Settings and ensure the the 'Use Lightning Web Security for Lighning web components and Aura components' is checked. Click Save.
## Permissions
Continue to set [permissions](https://fast-track-digital.gitbook.io/paytram-documentation/initial-setup/permissions-all-gateways)
