libxrdeveloper's documentation
void xr_call_add_param ( xr_call call,
xr_value val 
)

Add parameter to the call obejct.

Parameters:
callCall obejct.
valParameter value. Call object takes ownership of this value and xr_value_unref will be called from xr_call_free.
Documentation for libxr, Tue Jun 7 2011 18:11:16.