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6	6
7	7	The **InitMetrics **function provides functionality to initialize metrics in a flexible way. It allows for the deletion of metrics, projections, and the initialization of projections with fixed values or XPath expressions.
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9		-= Usage =
	9	+= Usage =
10	10
11	11	{{code language="XML"}}
12	12	<xsl:value-of select="ixf:InitMetrics('Metric','Projection','Value')"></xsl:value-of>
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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 0 if not provided.
	30	+1. **defaultValue (Optional):** The default value used in case of XPath expression evaluation failure. Defaults to -1 if not provided.
31	31
32	32	=== Usage Examples ===
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45	45
46	46	Assuming you want to initialize a projection named 'YourProjection' in the metric 'YourMetric' with a fixed value of 42:
47	47
48		-{{code language="XML"}}
49		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', '42')"></xsl:value-of>
50		-{{/code}}
51		-
52	52	{{{
53	53	}}}
54	54
	51	+<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', '42')"/>
	52	+
55	55	This example initializes the 'YourProjection' projection in the 'YourMetric' metric with the fixed value of 42.
56	56
57	57	**Example using XPath Expression:**
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58	58
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:
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61		-{{code language="XML"}}
62		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"></xsl:value-of>
63		-{{/code}}
	59	+{{{
	60	+ }}}
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	62	+<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"/>
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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	)))
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70	70
71	71	Assuming you want to count trackings where the 'Company' is 'HM' using an XPath expression:
72	72
73		-{{code language="XML"}}
	71	+{{{
	72	+ }}}
	73	+
74	74	<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"/>
75		-{{/code}}
76	76
77		-
78	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	79	)))
80	80