Building Blocks > Domain-Specific Building Blocks > Metric Building Block > Key Services (Metric Building Block)
Key Services (Metric Building Block)
The metric building block contains CRUD services for the metric database tables and validations that check the data before inserting it into the database tables.
The following services on the PTC.MetricImpl.Manager_TT can retrieve information from tree structure.
GetModelHierarchyForModelMetricTreeData—Retrieves the model hierarchy data for the given model (equipment).
GetModelMetricStatusThresholdTreeChildren—Retrieves the status threshold information for each direct child model (equipment) of the given model.
GetModelMetricTargetTreeChildren—Retrieves the metric target for each direct child model (equipment) of the given model.
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