# CHANGELOG: October 1 / Create Documents and Whiteboards inside entities, Automatically link entities based on rules

**URL:** <https://community.fibery.io/t/changelog-october-1-create-documents-and-whiteboards-inside-entities-automatically-link-entities-based-on-rules/1023>\
**Category:** Changelog\
**Created:** [October 1, 2020, 6:50am UTC](https://community.fibery.io/t/changelog-october-1-create-documents-and-whiteboards-inside-entities-automatically-link-entities-based-on-rules/1023 "2020-10-01T06:50:49Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![Chr1sG](https://sea2.discourse-cdn.com/flex020/user_avatar/community.fibery.io/chr1sg/32/3941_2.png) [@Chr1sG](https://community.fibery.io/u/Chr1sG)\
**Post date:** [March 28, 2021, 6:45pm UTC](https://community.fibery.io/t/changelog-october-1-create-documents-and-whiteboards-inside-entities-automatically-link-entities-based-on-rules/1023/32 "2021-03-28T18:45:43Z")

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Yes, we can, but at the moment, formulas (and lookups and auto-relations) are ‘read-only’, whereas the bit you quoted was more about a semi-deterministic relationship.

I am optimistic that Fibery will eventually support more complexity in relations, like filtered selection:

> [@\[APPROVED\] Relationships filter](https://community.fibery.io/t/relationships-filter/1364):
>
> It would be great to be able to create a Relation column that only shows a filtered subset of the relevant Type. So for example, a relation column that only shows Tasks that are already marked “done,” or Expenses that are greater than $100. Etc.

or more sophistication in formulas, so that they are not necessarily read-only, which is touched upon here:

> [@Inheritance of Relation](https://community.fibery.io/t/inheritance-of-relation/1175/2):
>
> For what it’s worth, the Binders app I have used a fair bit deals with this in the following way: You define a calculation for a field (formula type thing) and you choose one of four behaviours: Calculated and stored (i.e. default value) Calculated on demand (you click a button to ‘run’ the calculation Calculated else entered (as long as the calculation yields a valid result, this overrides any user choice) Entered else calculated (as long as the user has made a valid choice, this overrides t…

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_[View the full topic](https://community.fibery.io/t/changelog-october-1-create-documents-and-whiteboards-inside-entities-automatically-link-entities-based-on-rules/1023)._