apm_required_attribute_value

one of the documented procedures in this installation of the ACS
Usage:
apm_required_attribute_value   element   attribute
What it does:
Returns an attribute of an element, throwing and error if the attribute is not set.
Defined in: /web/philip/packages/acs-core/apm-procs.tcl

Source code: 


    set value [dom::element getAttribute $element $attribute]
    if { [empty_string_p $value] } {
	error "Required attribute \"$attribute\" missing from <[dom::node cget $element -nodeName]>"
    }
    return $value
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