SAP ST ADDRESSING NODES IN COND documentation, setup help and usage info

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ST - Data Nodes in Conditions
For addressing data nodes in logical expressions , a special rule applies. Data nodes as dnode operands of preconditions , assertions , or conditions can be specified as follows:

If the name node # specified according to the preceding addressing rules # has a letter or underscore as its first character and only letters, numbers, hyphens, or underscores in all other positions, it can be specified directly.

The special names $ref and $alias can also be specified directly.

All other names must be specified in the form ref('node') . This particularly applies to the specification of a data root using .root

SAP ST ADDRESSING NODES IN COND documentation, setup help and example usage