  The origin of the broad-line region (BLR) clouds in active galactic nuclei is
still under discussion. We develop a scenario in which the clouds in the outer,
less ionized part of the BLR are launched by the radiation pressure acting on
dust. Most of the outflow forms a failed wind, so we refer to it as failed
radiatively accelerated dusty outflow (FRADO), but, for a certain parameter
range, actual outflow also takes place. We aim to test the model predictions.
In this paper, we present the calculation of the angular distribution of clouds
and the net covering factor as this affects the fraction of radiation that can
be intercepted and reprocessed in the form of the H-beta or MgII emission line.
The results reveal that the covering factor is intricately linked to the mass,
accretion rate, and metallicity of the clouds. Notably, as these parameters
increase, so does the covering factor, shedding light on the dynamic interplay
between the central engine and the surrounding material in AGNs.
