Azure.Identity credentials which have parameters with corresponding Environment variables should respect them.

[schaabs]

Credential classes which have parameters corresponding to environment variables in the below table should also allow them to be specified through the environment rather than requiring them to be passed through code during construction.

Environment Variable	Purpose
AZURE_USERNAME	Azure username for U/P Auth
AZURE_PASSWORD	Azure password for U/P Auth
AZURE_CLIENT_CERTIFICATE_PATH	Azure Active Directory
AZURE_CLIENT_ID	Azure Active Directory
AZURE_CLIENT_SECRET	Azure Active Directory
AZURE_TENANT_ID	Azure Active Directory
AZURE_AUTHORITY_HOST	Azure Active Directory

Classes:

• ManagedIdentityCredential - AZURE_CLIENT_ID

• TokenCredentialOptions - AZURE_AUTHORITY_HOST