> For the complete documentation index, see [llms.txt](https://docs.theconfigteam.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theconfigteam.com/prebilt-ewm/user/process-steps.md).
# Process steps
## Login/logoff
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1. Enter username and password, then tap the “Logon” button.
2. To display the user menu, select the warehouse, resource and presentation device.
3. Log out of PreBilt by tapping the “Logoff” button at the bottom of the screen or in the kebab menu.
1. If necessary, a reason and storage bin must be entered before logging off.
## Menu Navigation
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## Function codes
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The most common function codes are displayed in the footer bar. Additional function codes can be found in the Ellipsis Menu.
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**Note**
The system administrator can define the function codes that are displayed.
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## Exception codes
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Pressing the exception list button in the bottom righthand corner of the screen will display all the possible exception codes.
## Error Messages
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