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	1	+{{toc/}}
	2	+
1	1	= Introduction =
2	2
3		- Variable is a container that holds a value and can be called in the iXPath Scenario. The importance of variables is to make flexibility in using some values without referring to their origins.
	5	+ Variable is a container that holds a value and can be called in the iXPath Scenario. The importance of
4	4
	7	+variables is to make flexibility in using some values without referring to their origins.
	8	+
5	5	There are 2 types of  variables:
6	6
7	7	* System variables
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9	9
10	10	To call a variable, we should put it inside ${}. Eg: for a variable named ‘iXVar’, it can be called as ${iXVar}.
11	11
12		-== System variables ==
	16	+== System variables ==
13	13
14	14	System variables define some default values in the system, and they can be called by users several times.
15	15
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27	27	1*. iXFrom: return the value of the AS2 sender.
28	28	1. All connectors declare a system variable of type BpmnFile, the connector variable uses a bunch of functions to handle the list of BpmnFiles that will be detailed in the table below :
29	29	1*. (((
30		-|(% style="width:150px" %)Function|(% style="width:404px" %)Description|(% style="width:355px" %)Use
31		-|(% style="width:150px" %)Get(i) |(% style="width:404px" %)Get a file with index number "i" from the BpmnFile list, the indexes begin from 0 as the first element, and so on.|(% style="width:355px" %)(((
32		-if we have an XmlToXml connector named "XmlToXml1" we can get second bpmn file as :
	34	+(% style="width:884px" %)
	35	+|(% style="width:150px" %)**Function**|(% style="width:365px" %)**Description**|(% style="width:367px" %)**Use**
	36	+|(% style="width:150px" %)Get(x) |(% style="width:365px" %)Get a file with index number "x" from the BpmnFile list, the indexes begin from 0 as the first element, and so on.|(% style="width:367px" %)(((
	37	+if we have an XmlToXml connector named "XmlToXml1" we can get __the second__ BpmnFile as :
33	33
34	34	${XmlToXml1.get(1)}
35	35
36		-NB : we will make examples on the same connector "XmlToXml1".
	41	+NB: we will make examples on the same connector "XmlToXml1".
37	37	)))
38		-|(% style="width:150px" %)getTrkValues|(% style="width:404px" %)Return the Tracking values from a BpmnFile.|(% style="width:355px" %)
	43	+|(% style="width:150px" %)getTrkValues()|(% style="width:365px" %)Return the Tracking values from a BpmnFile.|(% style="width:367px" %)Eg : ${XmlToXml1.get(0).getTrkValues()} returns the tracking values of the first BpmnFile.
	44	+|(% style="width:150px" %)path()|(% style="width:365px" %)Return the absolute path of the BpmnFile.|(% style="width:367px" %)Eg : ${XmlToXml.get(3).path()} returns the path of the __fourth__ BpmnFile
	45	+|(% style="width:150px" %)fileName()|(% style="width:365px" %)Return the name of the BpmnFile. |(% style="width:367px" %)Eg : ${XmlToXml1.get(2).fileName()} retrieves the name of the third BpmnFile.
	46	+|(% style="width:150px" %)extension()|(% style="width:365px" %)Returns the extension of the BpmnFile.|(% style="width:367px" %)(((
	47	+Eg : if we want to get the extension of the first BpmnFile, we will proceed as below :
39	39
40		-
	49	+ ${XmlToXml1.get(0).extension()}
41	41	)))
	51	+|(% style="width:150px" %)fullName()|(% style="width:365px" %)Returns the file name + its extension  |(% style="width:367px" %)Eg : ${XmlToXml1.get(0).fullName()} returns the full name of the BpmnFile.
	52	+|(% style="width:150px" %)size()|(% style="width:365px" %)Returns the size of the BpmnFile in megabit.|(% style="width:367px" %)(((
	53	+Eg : ${XmlToXml1.get(0).size()} returns the size of the first BpmnFile.
	54	+)))
	55	+|(% style="width:150px" %)type()|(% style="width:365px" %)Returns the type of the BpmnFile|(% style="width:367px" %)(((
	56	+Eg : To get the type of the second BpmnFile ,
42	42
	58	+${XmlToXml1.get(1).type()}
	59	+)))
	60	+)))
43	43
	62	+== Local variables ==
44	44
	64	+Local variable is a type of variable that can be newly created and used for a certain need.
45	45
	66	+So as to create a local variable "newVar" with a value equals to "var number 1", we should write this piece of XSL code :
46	46
	68	+{{code language="XML"}}
	69	+<xsl:value-of select=" ixf:SetVar('newVar', 'var Number 1')"></xsl:value-of>
	70	+
	71	+{{/code}}
	72	+
	73	+The call of this new variable in the scenario is similar to previous system variables:  **${newVar}.**
	74	+
	75	+To get 'newVar' inside an XSL file :
	76	+
	77	+{{code language="XML"}}
	78	+<xsl:value-of select="ixf:getVar('newVar')"></xsl:value-of>
	79	+{{/code}}
	80	+
	81	+
	82	+
	83	+
	84	+
	85	+
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