> For the complete documentation index, see [llms.txt](https://gessadavide.gitbook.io/yallo-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gessadavide.gitbook.io/yallo-lang/docs/tezos-functions.md).

# Tezos functions

### Tezos.sender (): address

### Tezos.source (): address

### Tezos.chainId (): chain\_id

Return the current chainid

### Tezos.amount (): mutez

Return the amount sent by the calling transaction

### Tezos.balance (): mutez

Return the balance of the current contract

### Tezos.now (): timestamp

Same as Timestamp.now, returns the current timestamp.

### Tezos.self (): unit contract

### Tezos.selfAddress (): address

Return the address of the current contract

### Tezos.address ('a contract): address

Return the address of *'a contract*

### Tezos.contract (address): 'a contract

Return the typed contract of *address*

### Tezos.setDelegate (address option): operation

Set or unset the delegate for the current contract

### Tezos.implicitAccount (key\_hash): unit contract

Return the contract of the given key\_hash

### Tezos.transfer (address, mutez): operation

Transfer mutez to address

### Tezos.transfer ('a contract, 'a, mutez): operation

Transfer mutez to contract

### Tezos.createContract ('a code, key\_hash option, mutez): operation