this is added as pull request here: matrix-org/synapse#1034
file: https://github.com/rubo77/synapse/blob/patch-2/docs/admin_api/purge_history_api.rst
this is added as pull request here: matrix-org/synapse#1034
file: https://github.com/rubo77/synapse/blob/patch-2/docs/admin_api/purge_history_api.rst