put {protocol}://{base-url}/integration/v1/data_dictionary///upload/
Updates catalog object with the metadata provided in the data dictionary file.
Recipes
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Upload Data Dictionaries
Open Recipe
The alation_conf parameter alation.feature_flags.dev_enable_data_dictionary_redesign must be set to true to use this API. On using alation_conf see Using alation_conf.
You can include columns in the data dictionary upload file, as long as you also include one of the higher-level objects (data source, schema, or table).
See Importing a Data Dictionary in the Alation docs for details on how to format the data dictionary file.