Use define subscription to create a subscription with bulk materialization.
define subscription subscription for {table_rep_def | function_rep_def publication pub_name | database replication definition db_repdef with primary at data_server.db with replicate at data_server.db [where search_conditions] [subscribe to truncate table]
where subscription is the name of the subscription to define, table_rep_def is the name of the table replication definition the subscription is for, function_rep_def is the name of the function replication definition the subscription is for, pub_name is the publication the subscription is for, db_repdef is the database replication definition the subscription is for, and data_server.db identifies the primary or replicate database.
The subscription name must be unique for the replication definition and replicate database.
See Replication Server Reference Manual > Replication Server Commands > define subscription.