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diff --git a/docs/microservices/expression.rst b/docs/microservices/expression.rst new file mode 100644 index 000000000..38a7d624c --- /dev/null +++ b/docs/microservices/expression.rst @@ -0,0 +1,45 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 +.. International License. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2019 IBM. + +Expression +========== + +TOSCA provides for a set of functions to reference elements within the template or to retrieve runtime values. + +Below is a list of supported expressions + +get_input +--------- + +The get_input function is used to retrieve the values of properties declared within the inputs section of a TOSCA Service Template. + +http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178 + +get_property +------------ + +The get_property function is used to retrieve property values between modelable entities defined in the same service template. + +http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178 + +get_attribute +------------- + +The get_attribute function is used to retrieve the values of named attributes declared by the referenced node or relationship template name. + +http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454179 + +get_operation_output +-------------------- + +The get_operation_output function is used to retrieve the values of variables exposed / exported from an interface operation. + +http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454180 + +get_artifact +------------ + +The get_artifact function is used to retrieve artifact location between modelable entities defined in the same service template. + +http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454182 |