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	1	+{{toc/}}
	2	+
1	1	= Introduction =
2	2
	5	+ Variable is a container that holds a value and can be called in the iXPath Scenario. The importance of
3	3
	7	+variables is to make flexibility in using some values without referring to their origins.
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	9	+There are 2 types of  variables:
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	11	+* System variables
	12	+* Local variables
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	14	+To call a variable, we should put it inside ${}. Eg: for a variable named ‘iXVar’, it can be called as ${iXVar}.
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	16	+== System variables ==
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	18	+System variables define some default values in the system, and they can be called by users several times.
	19	+
	20	+Here is the list of system variables :
	21	+
	22	+1. At the declaration of the scenario:
	23	+1*. iXSession: it returns the ID of the current session.
	24	+1*. iXSessionPath: gets the Path of the session folder.
	25	+1*. env: name of the environment.
	26	+1*. inputFile: this variable collect all input files in one list.
	27	+1. For a **mail listener : **
	28	+1*. iXFrom: refers to the sender of the mail.
	29	+1*. iXSubject: refers to the mail subject.
	30	+1. For an **AS2 listener **:
	31	+1*. iXFrom: return the value of the AS2 sender.
	32	+1. All connectors declare a system variable of type BpmnFile, the connector variable uses a bunch of functions to handle the list of BpmnFiles that will be detailed in the table below :
	33	+1*. (((
	34	+(% style="width:884px" %)
	35	+|(% style="width:150px" %)**Function**|(% style="width:365px" %)**Description**|(% style="width:367px" %)**Use**
	36	+|(% style="width:150px" %)Get(x) |(% style="width:365px" %)Get a file with index number "x" from the BpmnFile list, the indexes begin from 0 as the first element, and so on.|(% style="width:367px" %)(((
	37	+if we have an XmlToXml connector named "XmlToXml1" we can get __the second__ BpmnFile as :
	38	+
	39	+${XmlToXml1.get(1)}
	40	+
	41	+NB: we will make examples on the same connector "XmlToXml1".
	42	+)))
	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 :
	48	+
	49	+ ${XmlToXml1.get(0).extension()}
	50	+)))
	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 : ${XmlToXml1.get(0).size()} returns the size of the first BpmnFile.
	54	+)))
	55	+|(% style="width:150px" %)type()|(% style="width:365px" %)Returns the type of the BpmnFile|(% style="width:367px" %)(((
	56	+Eg : To get the type of the second BpmnFile ,
	57	+
	58	+${XmlToXml1.get(1).type()}
	59	+)))
	60	+)))
	61	+
	62	+== Local variables ==
	63	+
	64	+Local variable is a type of variable that can be newly created and used for a certain need.
	65	+
	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 :
	67	+
	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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