EXTRACTATTRIBUTELIST ref ; tag ; table ; attr1 ; ... ; attrN

STx 3.9 Documentation

usage:

ref	parent element reference or * for current element
tag	child element tag name or * for all elements
table	target table for attributes or * to create a new table if a table is specified, it must be an extended table; the field 0 must be a string field and is used to store/check attribute names
attrX	names of attributes to be excluded from the list

result:

empty string (error) or extended table containing the list of attribute names in the first field; if a table was passed to the function, the same table is returned

description:

Extract all (different) attribute names from the child elements of the specified/current element. The attribute names are stored in the passed/created extended table. All attributes specified in the function call are excluded from the list.