# Tagnames/Mode values in Ignition Tag database in Simulation mode

**URL:** <https://forum.inductiveautomation.com/t/tagnames-mode-values-in-ignition-tag-database-in-simulation-mode/28890>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [October 7, 2019, 7:59pm UTC](https://forum.inductiveautomation.com/t/tagnames-mode-values-in-ignition-tag-database-in-simulation-mode/28890 "2019-10-07T19:59:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![deepank.vanne](https://avatars.discourse-cdn.com/v4/letter/d/ba9def/32.png) [@deepank.vanne](https://forum.inductiveautomation.com/u/deepank.vanne)\
**Post date:** [October 7, 2019, 7:59pm UTC](https://forum.inductiveautomation.com/t/tagnames-mode-values-in-ignition-tag-database-in-simulation-mode/28890/1 "2019-10-07T19:59:04Z")

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Regarding Controller’s Tagname/MODE, what are the different values it can handle? While writing the values using our OPC-Client to Ignition Tag database in Simulation mode, how to write Auto or Cascade mode? Do we need to use Tagnames/LVF to write it & if so then how?