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Creating a data page when sourcing large data pages from a connector, activity, or data transform

Suggest edit Updated on November 9, 2021

To source large data pages from a connector, activity, or data transform, create and configure a data page that you later declare as large.

Before you begin: Define the fields that you want to include in the data page by creating and configuring a data type. For more information, see Creating a data type when sourcing large data pages from a connector, activity, or data transform.
  1. Create the data page:
    1. In the header of Dev Studio, click CreateData ModelData Page.
    2. In the Create Data Page window, in the Label field, enter a name for the data page, for example, Expenses.
      Pega Platform automatically creates an identifier for the data page, for example, D_Expenses. Do not remove the D_ from the beginning of the name.
    3. In the Context section, specify the corresponding class and ruleset.
    4. Click Create and open.
    For more information, see Creating a data page.
  2. On the Edit Data Page tab, on the Definition tab, in the Data page definition section, define the data page as follows:
    1. In the Structure list, select List.
    2. In the Object type field, enter the name of the data type that you created in Creating a data type when sourcing large data pages from a connector, activity, or data transform.
    3. In the Scope list, select the scope of the data page.
      Tip: For best performance, in the Scope list, select Node.
  3. In the Data Sources section, set the connector, activity, or data transform as the source of the data page:
    1. In the Source list, select the corresponding source type, for example, Connector.
    2. In the Name field, enter the name of the connector, activity, or data transform that you created.
  4. Optional: To configure a refresh strategy for data pages, on the Load Management tab, in the Refresh strategy section, define the parameters for refreshing the data page.
    For more information, see Configuring the refresh strategy for data pages.Note: Do not use the Do Not Reload When refresh strategy with the pyModificationDateTime time stamp.
  5. In the upper-right corner of the data page tab, click Save.
  6. Add at least one record to the data page.
    For more information, see Adding records to a data object.
What to do next: Define the JavaScript populator function in a Pega Platform text file. For more information, see Defining a JavaScript function when sourcing large data pages from a connector, activity, or data transform.
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