1 - My first problem is about the 'fr' at the end of the string who seems to be a language string.
CB does not add language to URLs. Joomla does using its language filter plugin.
How to get lang_xxx = fr only ?
There's no substitution for that.
2 - How to change the link of the users in a cb list (for example, to arrive in a specific Tab of the user)
You can't change the URL associated with the row unless I guess your only Joomla menu item to CBs profile has the tab already specified in the menus parameters.
Kyle (Krileon) Community Builder Team Member Before posting on forums:
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