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Page properties

Parent

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1		-iXPath V3.Funcitons.WebHome
	1	+iXPath V3.Funcitons.tracking.WebHome

Content

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27	27	* If projection is provided, value initializes the projection.
28	28	* If value is not provided, the specified projection is deleted.
29	29	)))
30		-1. **defaultValue (Optional):** The default value used in case of XPath expression evaluation failure. Defaults to -1 if not provided.
	30	+1. **defaultValue (Optional):** The default value used in case of XPath expression evaluation failure. Defaults to 0 if not provided.
31	31
32	32	=== Usage Examples ===
33	33
34	34	Remember to adapt the metric names, projection names, and values based on your actual scenario. The provided examples are placeholders, and you should replace them with your specific metric, projection, and values.
35	35
36		-1. (((
	36	+(((
37	37	**Delete Metric:**
38	38
39	39	{{code language="XML"}}
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46	46	Assuming you want to initialize a projection named 'YourProjection' in the metric 'YourMetric' with a fixed value of 42:
47	47
48	48	{{code language="XML"}}
49		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', '42')"/>
	49	+<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', '42')"></xsl:value-of>
50	50	{{/code}}
51	51
52	52	{{{
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59	59	Assuming you want to initialize a projection named 'YourProjection' in the metric 'YourMetric' with an XPath expression 'Order[Company = 'HM']' and a default value of -1:
60	60
61	61	{{code language="XML"}}
62		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"/>
	62	+<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = 'HM']', -1)"></xsl:value-of>
63	63	{{/code}}
64	64
65	65
66	66	This example initializes the 'YourProjection' projection in the 'YourMetric' metric with the provided XPath expression. If the XPath expression fails to evaluate, it uses the default value of -1.
67	67	)))
68		-1. (((
69		-**Example for Counting Trackings with XPath Expression:**
70	70
71		-Assuming you want to count trackings where the 'Company' is 'HM' using an XPath expression:
72		-
73		-{{{
74		- }}}
75		-
76		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"/>
77		-
78		-This example uses an XPath expression to count trackings where the 'Company' is 'HM'. If the XPath expression fails, it uses the default value of -1.
79		-)))
80		-
81	81	=== Notes ===
82	82
83	83	* If projection is not provided, the entire metric is deleted.