[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [tryWritePort](./bitburner.ns.trywriteport.md) ## NS.tryWritePort() method Attempt to write to a port. **Signature:** ```typescript tryWritePort(portNumber: number, data: any): boolean; ``` ## Parameters
Parameter Type Description
portNumber number Port to attempt to write to. Must be a positive integer.
data any Data to write, it's cloned with structuredClone().
**Returns:** boolean True if the data is successfully written to the port, and false otherwise. ## Remarks RAM cost: 0 GB Attempts to write data to the specified Netscript port. If the port is full, the data will not be written. Otherwise, the data will be written normally. Ports are shared across all hosts and contents are reset on game restart.