How to create a custom calculated field for a Ticked that can be printed

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Here is the solution.

Custom value on printed bill

Here is the javascript code for generating the checksum. codigo_control.zip (3.0 KB) Copy paste it inside a script: [image] The function that gets called in the printer templates is : getChecksum(numautorizacion,numfactura,nitcliente,fecha,monto,clave) . Call the function inside a printer template with: codigo de control:{CALL:codigo_control_v7.getChecksum(‘78978945645’,‘1’,‘2454897564’,‘20150511’,‘45800’,‘adza4dacq4dzada4vafaz45dza1cza4faz’)}