# Mtracking.gif - Create a contact based on parameters

**URL:** <https://forum.mautic.org/t/mtracking-gif-create-a-contact-based-on-parameters/31011>\
**Category:** General Discussion\
**Created:** [February 22, 2024, 8:10am UTC](https://forum.mautic.org/t/mtracking-gif-create-a-contact-based-on-parameters/31011 "2024-02-22T08:10:18Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![tornmarketing](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/tornmarketing/32/11603_2.png) [@tornmarketing](https://forum.mautic.org/u/tornmarketing)\
**Post date:** [February 22, 2024, 8:10am UTC](https://forum.mautic.org/t/mtracking-gif-create-a-contact-based-on-parameters/31011/1 "2024-02-22T08:10:18Z")

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Hey team

Reviewing our tracking systems, and wanting to integrate things into Instantly and pull in contact IP addresses.

I thought Mautic did this but can not seem to get it to work  
But to lookup dedup/create based on the email field.

[https://trk.domain.com/mtracking.gif?email=dwayne20240222@domain.com&firstname=Dwayne&lastname=Taylor](https://trk.domain.com/mtracking.gif?email=dwayne20240222@domain.com&firstname=Dwayne&lastname=Taylor)

The example below is just logging it as url params,

- Tested it to create the record
- Tested to dedup the record  
Both failed to do either.

 ![image](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/d/dd958d0d9c52db73b8f6321d9a88180a73458714.png)

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**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\
**Post date:** [February 23, 2024, 5:43am UTC](https://forum.mautic.org/t/mtracking-gif-create-a-contact-based-on-parameters/31011/2 "2024-02-23T05:43:51Z")

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Hello Dwayne!  
Did you set these custom fields as publicly update-able?  
Joey

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<div class="post-metadata">

**Author:** ![tornmarketing](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/tornmarketing/32/11603_2.png) [@tornmarketing](https://forum.mautic.org/u/tornmarketing)\
**Post date:** [February 23, 2024, 10:47am UTC](https://forum.mautic.org/t/mtracking-gif-create-a-contact-based-on-parameters/31011/3 "2024-02-23T10:47:26Z")

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haha ahh I expected it to be on by default …

and the answer - email was not public

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**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/1X/43c63600fe51440378769136903f1fa2a9a34102.png) [@system](https://forum.mautic.org/u/system)\
**Post date:** [February 24, 2024, 10:47pm UTC](https://forum.mautic.org/t/mtracking-gif-create-a-contact-based-on-parameters/31011/4 "2024-02-24T22:47:45Z")

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