.. _model-nested-sub_method_pointer-primary_variable_mapping:

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primary_variable_mapping
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Primary mappning of top-level variables to sub-model variables


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**Specification**

- *Alias:* None

- *Arguments:* STRINGLIST

- *Default:* default variable insertions based on variable type


**Description**


The ``primary_variable_mapping``, ``secondary_variable_mapping``,
``primary_response_mapping``, and ``secondary_response_mapping`` keywords control
how top-level variables and responses are mapped to variables
and responses in the sub-model. Their usage is explained on
the parent keyword ( ``sub_method_pointer``) page.


