## Tron-Web Object
_Creates an instance of the Tron-Web javascript library. This encapsulates all related modules in addition to utility functions._
## Set Default Block
`tronWeb.setDefaultBlock('latest');`
_Sets the default block used as a reference for all future calls._
| Value | Description |
| Block | Block Height or ID |
## Set Address
`tronWeb.setAddress('TVJ6njG5EpUwJt4N9xjTrqU5za78cgadS2');`
_Sets the address used with all Tron-Web API's. Does not sign any transactions._
| Value | Description |
| Address | Address of account. |
## Get Event Result
`tronWeb.getEventResult("TVJ6njG5EpUwJt4N9xjTrqU5za78cgadS2", "BUY");`
_Returns all events._
| Value | Description |
| Contract Address | Address of contract. |
| Contract Name | Name of contract. |
## Set Private Key
**Warning:** Do not use this with any web/user facing Tron-Web instances. This leaks the private key.
`tronWeb.setPrivateKey('da146...f0d0');`
_Set a private key used with the TronWeb instance, used for obtaining the address, signing transactions, and getting balances._
| Value | Description |
| Private Key | Private key of account. |