Configure semantic indexing settings for an indexed source

  • Release version: Yokohama
  • Updated June 8, 2026
  • 1 minute to read

    • Specify the semantic indexing configuration settings you want to apply when AI Search indexes records from your indexed sources.

    Before you begin

    The AI Search Semantic Controller plugin (com.glide.ais.semantic_search) must be active on your instance. This plugin is automatically activated when any Now Assist application is installed on your instance.

    Role required: ais_admin

    About this task

    As an AI Search admin, you can perform this task to choose the fields from and indexed source's table that you want the system to index for semantic vector search. You can also choose the embedding models and content chunking strategy to use for semantically indexed content from the source table.

    Procedure

    1. Navigate to All > AI Search > AI Search Index > Indexed Sources.
    2. Select the indexed source that you want to configure semantic indexing settings for.
      The selected indexed source opens in Indexed Source form view.
    3. In the Semantic Index Configuration related list, select New.
      Note:
      If you don't see the Semantic Index Configuration related list on the Indexed Source form, check with your administrator to make sure that your instance has at least one Now Assist application installed. Installing any Now Assist application activates the AI Search Semantic Controller plugin (com.glide.ais.semantic_search), which is required for semantic index configuration.
    4. On the Semantic Index Configuration form, fill in the fields.
      For a description of the field values, see Semantic Index Configuration form.
    5. Select Submit.
      If you're updating an existing semantic index configuration, select Update instead.
      The Semantic Index Configuration form reloads and displays your selected field values and the Semantic Index Fields related list.
    6. In the Semantic Index Fields related list, create a new record for each field with content that you want to include in the semantic index for the specified indexed source.
      1. Select New.
      2. On the Semantic Index Field form, fill in the fields.
        For a description of the field values, see Semantic Index Field form.
      3. Select Submit.
        The new semantic index field record appears in the Semantic Index Fields related list.

    What to do next

    After changing the semantic index configuration settings for an indexed source, you need to reindex content from that indexed source. For reindexing steps, see Perform a full table index or reindex for a single AI Search indexed source.
    Note:
    Indexing content for semantic vector search is typically slower than indexing for keyword search. Your indexed source may take more time to reindex once you've defined a semantic index configuration for it.