XF 1.5 How to add xenForo permission node?

(solved myself)
1. by enabling debug mode
2. going to develop-tab
3. going to Permission Definitions (../admin.php?permissions/definitions)
4. going to +New permission
Hello! I'm looking, that how can i add new pwemission node to xenFroro's permission system. So, how can i do it?

I'm trying to find how can i add permission, like TaigaChat have.

Now i'm asking how to use permissions :D
i've tried something like this:
Lightblue is new text, that I've added. This is not working. I've set permissien to yes.

<xen:if is="{$canViewstatus}">
<xen:if is="@flexile_show_header_content">
<div id="flexile_header_content">


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