.. py:function:: add_operator_parameters(operator, parameters, insert_before)

   
   Add parameters to an operator.


   :Parameters:

       **operator** : :obj:`suite.Operator`
           Input operator.

       **parameters** : :obj:`List`\[:class:`python:str`]
           Name of the parameters to create.

       **insert_before** : :obj:`suite.Constant`
           Insertion point of the parameter. When this parameter is not ``None``, it is
           an existing parameter of the operator. The parameters are inserted before
           this parameter. Otherwise, the parameters are added at the end.

   :Returns:

       :obj:`List`\[:obj:`suite.LocalVariable`]
           List of added parameters.













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