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eXo Platform provides 2 built-in sites: Intranet and ACME. In case you want to customize data of these sites, for example, modifying or overwriting the existing data, use the externalized parameters in exo.properties file.
Intranet
exo.intranet.portalConfig.metadata.override: Allow (true) or not allow (false) overriding the Intranet data. See Overriding Portal Data for more details.
exo.intranet.portalConfig.metadata.importmode: Customize data import strategy (CONSERVE, INSERT, MERGE, or OVERWRITE). See here for more details about these modes.
ACME
exo.acme.portalConfig.metadata.override: Allow (true) or not allow (false) overriding the ACME data. See here for more details of this parameter usage.
acme.portalConfig.metadata.importmode: Customize data import strategy (CONSERVE, INSERT, MERGE, or OVERWRITE). See here for more details about these modes.