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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 -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 ===
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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:
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	48	+{{code language="XML"}}
	49	+<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', '42')"></xsl:value-of>
	50	+{{/code}}
	51	+
48	48	{{{
49	49	}}}
50	50
51		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', '42')"/>
52		-
53	53	This example initializes the 'YourProjection' projection in the 'YourMetric' metric with the fixed value of 42.
54	54
55	55	**Example using XPath Expression:**
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56	56
57	57	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:
58	58
59		-{{{
60		- }}}
	61	+{{code language="XML"}}
	62	+<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"></xsl:value-of>
	63	+{{/code}}
61	61
62		-<xsl:value-of select="ixf:InitMetrics('YourMetric', 'YourProjection', 'Order[Company = ''HM'']', -1)"/>
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64	64	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.
65	65	)))