> ## Documentation Index
> Fetch the complete documentation index at: https://docs.starknet.io/llms.txt
> Use this file to discover all available pages before exploring further.

# core::starknet::testing::pop_l2_to_l1_message

Pop the earliest unpopped l2 to l1 message for the contract.

## Signature

```rust theme={null}
pub fn pop_l2_to_l1_message(address: ContractAddress) -> Option)>
```

#### Arguments

`address` - The contract address from which to pop a l2-L1 message.
The returned value is a tuple of the l1 address the message was sent to as a `felt252`, and the
message data as a span.
May be called multiple times to pop multiple messages.
Useful for testing the contract's l2 to l1 message emission.