| API Reference > Accusoft.BarcodeXpress.Nodejs > Functions > Licensing Functions > setSolutionKey |
Sets the solution key.
| Name | Type | Description |
| key1 | Integer | First part of the key. |
| key2 | Integer | Second part of the key. |
| key3 | Integer | Third part of the key. |
| key4 | Integer | Fourth part of the key. |
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var bx = require('barcode-js'); bx.setSolutionKey(0x00000001, 0x00000002, 0x00000003, 0x00000004); |
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