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====== Parameter ======


===== About =====

''Parameters'' or ''arguments'' are [[docs:conf:attribute|attributes]] that you can set to change the behavior of Tabulify

There difference is:
  * a ''parameter'' is a [[:docs:resource:attribute|resource attribute]]
  * a ''argument'' is a [[:docs:op:op|operation attribute]] 

===== Parameters Order of Precedence =====
The same parameter can be found in multiple place, we are taking the configuration with the higher priority.

Configuration Priority In Descendent Order:
  * [[:docs:tabul:option|Command line options]] (if available)
  * File:
    * [[tabul.yml|Configuration Vault]] for:
      * [[docs:conf:global_env|global parameters]]
      * [[docs:connection:attribute|connection parameter]]
    * [[:docs:resource:data-definition|data definition]] for data resource parameters or [[:docs:resource:generator|data generation file]]
    * [[:docs:flow:pipeline|pipeline file]]
  * [[docs:conf:os|Operating System Environment variables]]
    * with the ''TABUL_'' prefix for [[docs:conf:global_env|global attributes]]
    * with the ''TABUL_CONNECTION_NAME'' prefix for [[docs:connection:attribute|a connection attribute]]

===== Secret =====
A parameter or argument supports any [[docs:conf:secret|ciphered secret]] as value.