# Update/Overwrite/Append Data Options for Contact Property Fields

**URL:** <https://community.hubspot.com/t/update-overwrite-append-data-options-for-contact-property-fields/788>\
**Category:** HubSpot Ideas\
**Tags:** forms, object\
**Created:** [January 20, 2017, 12:06pm UTC](https://community.hubspot.com/t/update-overwrite-append-data-options-for-contact-property-fields/788 "2017-01-20T12:06:14Z")\
**Posts on this page:** 1\
**Showing post:** 49

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**Author:** ![trevorfox](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/trevorfox/32/60590_2.png) [@trevorfox](https://community.hubspot.com/u/trevorfox)\
**Post date:** [November 23, 2018, 8:04pm UTC](https://community.hubspot.com/t/update-overwrite-append-data-options-for-contact-property-fields/788/49 "2018-11-23T20:04:22Z")

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Immutable hs\_analytics\_souce, hs\_analytics\_souce\_1, hs\_analytics\_souce\_2 fields are helpful to understand the first touch. But allowing leadsource to be updated when it already set shifts attribution to secondary touches. That is really misleading.

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_[View the full topic](https://community.hubspot.com/t/update-overwrite-append-data-options-for-contact-property-fields/788)._