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# About Repositories

When a Task is run, the Output Step can be configured to use the memory feature that enables data for selected columns of the recordset used by the Task to be memorised.

The storage for this memorised data is called a Repository and all Repositories are exposed to the User through the King Task Centre main interface by clicking on the Repositories node in the Task Manager. The available Repositories are then displayed in the Items List.

Once a Repository has been created its data and schema may then be edited independently of the Task that created them.

In addition, a Repository may be created independently of a Task. The Repository may then be selected and populated via a Task Output Step, data imported into it from an external source or data manually created.

## Features

The following are just a few examples of how exposing memorised data in a Repository may be used:

|  | A Repository may be exported and imported as a .`xml` file which retains all Repository information, including the hierarchical data structure. This is an ideal way to make a backup of the Repository.

|  | Repository data and schema information may be exported or imported as a `.csv` file.

|  | A Repository may be selected for use in any Task so that different columns may be populated from different data sources.

|  | Repository data values may be manually edited, rows deleted or the Repository "reset" by deleting all the data.

|  | The Repository schema may be edited to change column details, insert columns or delete columns to match the data source and even insert child rows within the schema to create a hierarchical data structure.

|  | Using a Filter Data Step, the current Repository data for a Task may be compared to a new recordset produced at Task run time to filter the data passed to the Output Step for processing.

|  | A simple Repository search allows all rows in a selected schema containing specific text to be returned and displayed.

|  | An advanced Repository search enables a single or multiple search expressions to be constructed. The search then returns and displays all matching rows contained in the selected schema.

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