[mod_httapi] unable to do getVariable

[surabhigarg1234]

I have enabled required permission in httapi.conf.xml

<permission name="all" value="true"/>

and when I am trying to do get varaible from freeswitch it is working fine..

fs_cli -x "uuid_getvar d4d773aa-5d7f-495d-b49e-a1bbe88332f3 R_ANI"
1

Only when I am trying to fetch using getVariable in httapi it not working, getting blank data.
<getVariable name="R_ANI"/>

please help me if I am missing anything here.

Also, when I am enabling same variable in enable-post-var it works fine
<param name="enable-post-var" value="R_ANI"/>