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1 = Introduction =
2
3 In this section, we will go throw an XSL function to get trackings by trkID or using Keys/Values.
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5 = Parameters =
6
7 GetTracking uses 5 params to help retrieve trackings in question.
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9 1. trackingType: it refers to type of tracking wanted. (eg : order , product, baseArticle ...)
10 1. keys: it can handle 2 values, "trkID" or keys separated by ';' (eg: 'orderNumber;City;Phone')  if the key contains '_' at the first character, it means we look for metadata (_statusTracking, _creationDate ...)
11 **NB:** all metadata will be explained in detail in another paragraph.
12 1. values: the values must be ordered the same as 'keys'. if we're searching by 'trkID', 'values' should contain trkIDs separated by space ' '. eg : '121ee 123DD 55evr om432' 
13 In the other case where we use values depending on keys, they must be separated by ';' as shown below : 
14 if we take the last example in 'keys' param, 'orderNumber;City;Phone' , 'values' will be by example '1243;Paris;06070706053' .
15 1. limit: it defines the max number of tracking to retrieve. **it's optional.**
16 1. order: whether you want to order the list of trackings in a descending way or not by a certain key order. The default value is 'trkID' and it's optional as long as you fill the limit value.
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18 = Uses =
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20 We suppose that we have a tracking type named Product. It has 3 data (Name, Brand, and Country).
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22 if we want to get Product by key values
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24 {{code language="XML"}}<xsl:value-of select="ixf:GetTracking('Product', 'Name;Brand;_statusTracking' , 'Laptop;Dell;Delivered')"></xsl:value-of>{{/code}}
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26 Searching by trkIDs :
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28 {{code language="XML"}}
29 <xsl:value-of select="ixf:GetTracking('Product', 'trkID' , '632061bef8aef457701a28d2 632061e5f8aef457701a28d3 63206213f8aef457701a28d4')"></xsl:value-of>
30 {{/code}}
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32 Set the limit value to get only 4 elements  :
33
34 {{code language="XML"}}
35 <xsl:value-of select="ixf:GetTracking('Product', 'Name;Brand;_statusTracking' , 'Laptop;Dell;Delivered' , 4)"></xsl:value-of>
36 {{/code}}
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38 Add an order by Country :
39
40 {{code language="XML"}}
41 <xsl:value-of select="ixf:GetTracking('Product', 'Name;Brand;_statusTracking' , 'Laptop;Dell;Delivered' , 4, 'Country')"></xsl:value-of>
42 {{/code}}
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44 if you want to add an order without filling the limit, you must put 0 as a value to it :
45
46 {{code language="XML"}}
47 <xsl:value-of select="ixf:GetTracking('Product', 'Name;Brand;_statusTracking' , 'Laptop;Dell;Delivered' , 0, 'Country')"></xsl:value-of>
48 {{/code}}
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