Filter
- Last UpdatedFeb 19, 2026
- 1 minute read
The Filter window controls which elements will be retrieved from source data. Filtering can be used to limit the number of rows displayed in the grid when a large number of matching elements are present in the source data project.
Configure the Filter window
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To display the Filter window, click Filters on the main toolbar.

Two types of filters can be entered:
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The first is on attribute values.
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The second is on the evaluation of a PML expression.
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Click the appropriate Add Filter to add a row.
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For the attribute filter select the attribute, operator and value.
The available operators will be appropriate to the data type of the selected attribute.
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For the expression filter enter a PML expression.
Note: Multiple filters will be joined with AND when generating the query.
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Click OK to save the filter.
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To delete a filter, select the row and click Delete Filter.
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To re-read the data from source data and repeat the compare process, click Refresh in the toolbar.