Updated Readme.md

provider/register-azure/README.md

@@ -94,6 +94,7 @@ Definitions for some variables used
 | `AZURE_CLIENT_ID` | `********` | Identity to run the service locally. This enables access to Azure resources. You only need this if running locally | yes | keyvault secret: `$KEYVAULT_URI/secrets/app-dev-sp-username` |
 | `AZURE_TENANT_ID` | `********` | AD tenant to authenticate users from | yes | keyvault secret: `$KEYVAULT_URI/secrets/app-dev-sp-tenant-id` |
 | `AZURE_CLIENT_SECRET` | `********` | Secret for `$AZURE_CLIENT_ID` | yes | keyvault secret: `$KEYVAULT_URI/secrets/app-dev-sp-password` |
+| `KEY_IDENTIFIER` | `******` | Key Identifier for key used for encryption/decryption | yes | - |