List.[Table] data type

  • Release version: Washingtondc
  • Updated April 12, 2024
  • 2 minutes to read
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    Summary of List.[Table] data type

    The List.[Table] data type in ServiceNow stores a list of record Sys IDs associated with a specific table. This functionality supports the ServiceNow AI Platform, enabling options like default records and reference qualifiers for better flow management.

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    Key Features

    • Basic Options:
      • Label: Identifies the data variable in Flow Designer.
      • Name: Unique identifier for the data variable in script calls, formatted to remove special characters.
      • Type: Specifies the data type stored.
      • Mandatory: Indicates if a value is required for the data variable.
    • Advanced Options:
      • Hint: Provides configuration guidance.
      • Default Value: Sets a default for the variable if none is provided.
      • Add [Record Label]: Allows selection of default records, filtered by reference qualifiers.
      • Reference Qualifier Conditions: Filters to display only records matching specified conditions.
    • General Guidelines:
      • Add a reference qualifier to filter valid options in the list.
      • Avoid default records for actions intended for the ServiceNow Store unless universally accessible.
      • Use List variables in For Each flow logic to process specific records while ignoring non-record sysids.

    Key Outcomes

    Utilizing the List.[Table] data type enhances flow design by ensuring only relevant records are processed, streamlining actions, and adhering to access requirements for ServiceNow Store actions. Flow designers can expect increased efficiency and clarity when managing data in their workflows.

    Stores a list of record Sys IDs associated to a specific table. This variable supports ServiceNow AI Platform List field options such as default records and reference qualifiers.

    Basic options

    Option Description
    Label Displays the label used to identify the data variable in the Flow Designer interface. The label can consist of any text.
    Name Displays the name used to identify the data variable in script calls. The name can only consist of alphanumeric and underscore characters. The system automatically converts the label into a valid name by removing or replacing any special characters.
    Type Indicates the type of data stored by the data variable.
    Mandatory Indicates whether the data variable must contain a value when configured in an action.

    Advanced options for List variables

    Option Description
    Hint Provides guidance to flow or action designers on how to configure the data.
    Default value Specifies the value used when a flow or action designer does not provide a value.
    Add [Record Label] Select one or more records to include as default values for the list. If you filter the list with a reference qualifier, you can only select records that match the reference qualifier conditions.
    Reference qualifier conditions Select the filter conditions applied to the list of records. Flow designers can only select records that match the reference qualifier conditions.

    General guidelines

    Add a reference qualifier to filter list records
    Filter the records the list variable displays as valid options by adding a reference qualifier. The reference qualifier acts as a required list filter and causes the list variable to display only records that match the reference qualifier conditions. For example, to only displays active incident records add the reference qualifier condition [Active][is][true].
    Avoid selecting default records for actions intended for ServiceNow Store
    Avoid selecting default records for a list unless you know that all instances have access to the selected records. Spoke developers typically do not have access to the data of the customers who install their custom action. If you want to publish a custom action on the ServiceNow Store, you may need to provide default records as demo data.
    Use List variables in For Each flow logic
    You can use a List variable to specify the records to process within For Each flow logic. The For Each flow logic ignores any non-record sys_id present in the data. For example, if the List variable contains an email address, the flow logic ignores it.