> For the complete documentation index, see [llms.txt](https://docs.infotopics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.infotopics.com/inputtables/configuration/general-options.md).
# General options
## User authentication
WriteBackExterme requires a username when using pincode or no authentication. When using username & password authentication, the username field willl automatcially be populated. Follow these steps to configure this:
* Create a new worksheet named 'Username sheet\`
* Create a calculated field with the calculation: `username()`
* Select the created username field in the general page of the InputTables configuration
## Datasheet reloading
The datasheet reload button shows up when data is edited from within InputTables, this button reloads the datasheet connected to the viz-extension or all datasheets on the dashboard for the dashboard extension. To remove the reload button the settings 'Show InputTables datasheet reload button' can be turned off.
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