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1		-{{toc/}}
2		-
3	3	= Introduction =
4	4
5		- Variable is a container that holds a value and can be called in the iXPath Scenario. The importance of
	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.
6	6
7		-variables is to make flexibility in using some values without referring to their origins.
8		-
9	9	There are 2 types of  variables:
10	10
11	11	* System variables
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13	13
14	14	To call a variable, we should put it inside ${}. Eg: for a variable named ‘iXVar’, it can be called as ${iXVar}.
15	15
16		-== System variables ==
	12	+== System variables ==
17	17
18	18	System variables define some default values in the system, and they can be called by users several times.
19	19
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33	33	1*. (((
34	34	(% style="width:884px" %)
35	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" %)(((
	32	+|(% style="width:150px" %)Get(i) |(% style="width:365px" %)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:367px" %)(((
37	37	if we have an XmlToXml connector named "XmlToXml1" we can get __the second__ BpmnFile as :
38	38
39	39	${XmlToXml1.get(1)}
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59	59	)))
60	60	)))
61	61
62		-== Local variables ==
63	63
	59	+== Local variables ==
	60	+
64	64	Local variable is a type of variable that can be newly created and used for a certain need.
65	65
66	66	So as to create a local variable "newVar" with a value equals to "var number 1", we should write this piece of XSL code :
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70	70
71	71	{{/code}}
72	72
73		-The call of this new variable in the scenario is similar to previous system variables:  **${newVar}.**
	70	+The call of this new variable in the scnario is similar to previous system variables:  **${newVar}.**
74	74
75		-To get 'newVar' inside an XSL file :
	72	+To get 'newVar' from XSL file :
76	76
77	77	{{code language="XML"}}
78		-<xsl:value-of select="ixf:getVar('newVar')"></xsl:value-of>
	75	+<xsl:value-of select="ixf:getVar('Var')"></xsl:value-of>
79	79	{{/code}}
80	80
81		-= Examples =
82	82
83		-We set a simple example of a scenario to illustrate how to use variables.
84	84
85		-We want to receive a file by a FileListener and send it by mail that contains a message body.
86	86
87		-here is the scenario:
88	88
89		- [[image:2021-04-27_21h31_55.png||height="140" width="446"]]
90	90
91		-The configuration of the "SendMail" is :
92		-
93		- [[image:2021-04-27_21h32_07.png||height="373" width="281"]]
94		-
95		-As shown in the mail body, we called 3 variables which are :
96		-
97		-* Env : the current environment
98		-* iXSession : ID session
99		-* path : path of the BpmnFile in FileListener1.
100		-
101		-= String Class =
102		-
103		-String class is java object class that
104		-
105		-
106		-
107	107

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