# Pipe Files (General) - Pipe names must be unique. - Node names must differ from the pipe name and any resource name. - No indentation for property names (DESCRIPTION, NODE, SQL, TYPE, etc.). - Allowed TYPE values: endpoint, copy, materialized, sink. - Add the output node in the TYPE section or in the last node. Example: ``` DESCRIPTION > Some meaningful description of the pipe NODE node_1 SQL > SELECT ... TYPE endpoint ```