..	*******************************************************************************
	* MetaFactory.io R2
	* Technical Documentation
	* 
	* File name   : EL_MetadataFunctions.rst
	* Created by  : Niels de Nies
	*
	* MetaFactory BV Amsterdam 
	*******************************************************************************

.. include:: /inline-images.txt

Metadata functions
------------------

The following tables show the build-in functions in the expression language of the CodeComposer related to metadata.
Click on the function name to navigate to the documentation of the function.

..	list-table:: Get metadata functions
	:widths: 40 60
	:header-rows: 1
	:class: tight-table

	*	-	Name
		-	Description
	*	-	:doc:`GetMetaDataFunctions/GetMetaDataFromAttribute`
		-	Gets metadata from the model attribute in the context with a certain metadata key.
	*	-	:doc:`GetMetaDataFunctions/GetMetaDataFromObject`
		-	Gets metadata from the model object in the context with a certain metadata key.

..	list-table:: Has metadata functions
	:widths: 40 60
	:header-rows: 1
	:class: tight-table

	*	-	Name
		-	Description
	*	-	:doc:`HasMetaDataFunctions/AttributeHasMetaData`
		-	Checks if the model attribute in the context has a certain metadata key.
	*	-	:doc:`HasMetaDataFunctions/AttributeHasMetaDataWithValue`
		-	Checks if the model attribute in the context has a certain metadata key with a certain metadata value.
	*	-	:doc:`HasMetaDataFunctions/ObjectHasMetaData`
		-	Checks if the model object in the context has a certain metadata key.
	*	-	:doc:`HasMetaDataFunctions/ObjectHasMetaDataWithValue`
		-	Checks if the model object in the context has a certain metadata key with a certain metadata value
	*	-	:doc:`HasMetaDataFunctions/ReferenceHasMetaData`
		-	Checks if the model reference in the context has a certain metadata key
	*	-	:doc:`HasMetaDataFunctions/ReferenceHasMetaDataWithValue`
		-	Checks if the model reference in the context has a certain metadata key with a certain metadata value