[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(port: number, data: string[] | number): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | port | number | Port or text file that will be written to. | | data | string\[\] \| number | Data to write. | Returns: Promise<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.