Naming conventions in Custom DDE Namespace

The following table shows the naming conventions in
Custom DDE Namespace
.
Type
Limitation
Maximum length
Case-sensitive (Yes or No)
Tag name*
The name must consist of any character from the following:
  • 0 - 9
  • a - z
  • A - Z
  • _
256
No
Tag descriptions
The descriptions cannot contain quotation marks.
256
N/A
Mapping ID
The following metadata are supported:
  • .@timestamp
  • .@quality
  • .@TIMESTAMP
  • .@QUALITY
  • .@TIMEstamp
  • .@ua_
  • .@UA_
Other metadata with ".@" are not supported.
Quotation marks are not supported.
The space is supported.
260
N/A
*Upper and lower case letters in names are helpful for presentation only. Names are not case-sensitive.
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