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difference between _id and uid #18495

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mkassir95 opened this issue Dec 13, 2021 · 3 comments
Closed

difference between _id and uid #18495

mkassir95 opened this issue Dec 13, 2021 · 3 comments
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answered For when a question was asked and we referred to forum or answered it.

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@mkassir95
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In the API reference documentation there are two terms : _id & uid .
What is the use case of each of them and what the difference between them
@sgiehl
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sgiehl commented Dec 13, 2021

Hi @mkassir95. Would you mind linking the according documentation pages?

@mkassir95
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mkassir95 commented Dec 13, 2021 •
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Hi , yes sure
https://developer.matomo.org/api-reference/tracking-api

uid is in Optional User Info Section and _id is in Recommended paramters Section

@sgiehl
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sgiehl commented Dec 14, 2021

Setting the uid should normally overwrite the _id, based on your config setting of enable_userid_overwrites_visitorid. While the _id is hexadecimal the uid can be filled with more custom content (like a username or alias).
If you need more help with that, maybe try asking your questions on our forum (https://forum.matomo.org). We are actually only handling bug reports and feature requests here.

@sgiehl sgiehl closed this as completed Dec 14, 2021
@sgiehl sgiehl added the answered For when a question was asked and we referred to forum or answered it. label Dec 14, 2021
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