Now Assist in AI Search properties

  • Release version: Yokohama
  • Updated July 1, 2025
  • 3 minutes to read

    • System properties that you can use to modify behavior for Now Assist in AI Search Genius Results.

    These properties are available for Now Assist in AI Search.
    Note:
    To open the System Property [sys_properties] table's list view, select All, enter sys_properties.list in the Filter field, and press Enter.
    Table 1. Properties for Now Assist in AI Search
    Property Description
    sn_ais_assist.semantic_cache_mode Operational mode for the Now Assist Q&A Genius Results caches. Use this mode to control how AI Search uses the caches and the Now LLM Service when looking for Now Assist Q&A Genius Result answers.
    For details about how AI Search caches Now Assist Q&A Genius Result answers, see Caching for Now Assist Q&A Genius Results.
    • Type: string
    • Default value: off
    • Supported values:

      • off: Use the first-level cache and the Now LLM Service to find Now Assist Q&A Genius Result answers.

        AI Search looks in the first-level cache for Now Assist Q&A Genius Result answers that exactly match your search query and knowledge article result. If it doesn't find a matching answer, it sends your query and Knowledge article sys_id to the Now LLM Service for answer generation.

        Now Assist Q&A Genius Result answers generated by the Now LLM Service populate the first-level cache.

        When using Dynamic Translation, AI Search bypasses the caches and queries the Now LLM Service to generate an answer for the Now Assist Q&A Genius Result.

      • offline: Use the first-level and second-level caches to find Now Assist Q&A Genius Result answers. Don't submit queries to the Now LLM Service.

        AI Search looks in the first-level cache for Now Assist Q&A Genius Result answers that exactly match your search query and knowledge article result. If it doesn't find a matching answer, it uses semantic vector search to look for answers that match the meaning of your query in the second-level cache. If no cached answers match your query and knowledge article result, AI Search returns no answer for the Now Assist Q&A Genius Result.

        Now Assist Q&A Genius Result answers found in the second-level cache populate the first-level cache.

        When using Dynamic Translation, AI Search bypasses the caches and returns no answer for the Now Assist Q&A Genius Result.

      • online: Use the first-level and second-level caches and the Now LLM Service to find Now Assist Q&A Genius Result answers.

        AI Search looks in the first-level cache for Now Assist Q&A Genius Result answers that exactly match your search query and knowledge article result. If it doesn't find a matching answer, it uses semantic vector search to look for answers that match the meaning of your query in the second-level cache. If no cached answers match your query and knowledge article result, AI Search submits the query and article sys_id to the Now LLM Service for answer generation.

        Now Assist Q&A Genius Result answers generated by the Now LLM Service populate the first-level and second-level caches.

        When using Dynamic Translation, AI Search bypasses the caches and queries the Now LLM Service to generate an answer for the Now Assist Q&A Genius Result.

    • Location: Not present in the System Property [sys_properties] table by default. To override the default value, add this property by following the steps in Add a system property.
    sn_ais_assist.u_llm_api_timeout Maximum time in seconds to wait for Now Assist Q&A answer generation results from the Now LLM Service.
    • Type: integer
    • Default value: 120
    • Location: Not present in the System Property [sys_properties] table by default. To override the default value, add this property by following the steps in Add a system property.
    sn_ais_assist.u_question_regex Case-insensitive Java regular expression pattern that defines searches eligible for Now Assist Q&A answer generation. As an example, the pattern ^(what|where|when|why|who|whom|which|how)\b restricts eligibility to search queries that begin with one of the specified keywords.

    When this system property has a value defined, only searches in supported applications that match the specified pattern are eligible for Now Assist Q&A answer generation.

    When no value is defined, all searches in supported applications are eligible for Now Assist Q&A answer generation.

    • Type: string
    • Default value: none
    • Location: System Property [sys_properties] table

    To learn about Java regular expression pattern syntax, see the Javadoc for the java.regex.util.Pattern class.
    sn_ais_assist.u_sanitize_html Option to remove HTML tags from knowledge article text before sending to the Now LLM Service for Now Assist Q&A answer generation.
    • Type: true | false
    • Default value: false
    • Location: Not present in the System Property [sys_properties] table by default. To override the default value, add this property by following the steps in Add a system property.