[Snippet rust]
```rust
fn set_connector_customer_id(&mut self, customer_id: Option<String>);
```
Path: hyperswitch/crates/router/src/core/payments.rs :: set_connector_customer_id (function, crate=router)

Negatives:
- hyperswitch/crates/hyperswitch_connectors/src/connectors/stripe.rs :: build_request
- hyperswitch/crates/hyperswitch_connectors/src/connectors/archipel/transformers.rs :: try_from
- hyperswitch/crates/hyperswitch_domain_models/src/router_request_types.rs :: from
- hyperswitch/crates/common_utils/src/validation.rs :: proptest_invalid_data_email
- hyperswitch/crates/hyperswitch_connectors/src/connectors/itaubank.rs :: get_url