function updateFieldHelpOnParent(oCustomData) {
		const oParent = oCustomData.getParent();
		if (oParent
			&& oCustomData.getKey() === FieldHelpCustomData.DOCUMENTATION_REF_KEY
			&& Array.isArray(oCustomData.getValue())) {
			oParent.updateFieldHelp?.();
		}
	}
Constructor for a new <code>FieldHelpCustomData</code> element.

@param {string} [sId] ID for the new element, generated automatically if no ID is given
@param {object} [mSettings] Initial settings for the new element
@param {string} [mSettings.key="sap-ui-DocumentationRef"] the key set by default with value
"sap-ui-DocumentationRef"
@param {any} [mSettings.value] the value

@class
This class inherits from <code>sap.ui.core.CustomData</code> and trigger update of field help when
<code>key</code> is set to "sap-ui-DocumentationRef" and <code>value</code> is set with an array of
strings. It also updates field help once such an instance of this class is destroyed.

@extends sap.ui.core.CustomData
@since 1.130

@hideconstructor
@private
@ui5-restricted sap.ui.comp.filterbar, sap.fe.templates.ListReport
@alias sap.ui.core.fieldhelp.FieldHelpCustomData