# \#hide-object-when

**URL:** https://the.fmsoup.org/tag/hide-object-when/427.md

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## [Hide object when - calculation cost in master-detail portal](https://the.fmsoup.org/t/hide-object-when-calculation-cost-in-master-detail-portal/1928)

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**Author:** [@Torsten](https://the.fmsoup.org/u/Torsten)\
**Replies:** 7\
**Last updated:** [March 21, 2021, 1:35am UTC](https://the.fmsoup.org/t/hide-object-when-calculation-cost-in-master-detail-portal/1928 "2021-03-21T01:35:26Z")

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There is the very useful 'hide object when' in 'Layout Object - Behaviour'. On of the most handy FM features, I am using on almost every layout. Recently, I observed a degraded responsiveness on a layout with a portal. I…