Instance Attribute Override

Document Header

{ "type": "DOCHEAD" }||{ "docType": "INSTANCE", "uuid": "SCH-UNIQUE-ID_$5|e100_$1|e55_$6|e15_$8", "client": "clientID" }|

1. type: DOCHEAD, document header identifier.
2. docType: INSTANCE instance attribute override.
3. uuid: hierarchical ID, unique within the project, IDs separated by _.
   1. The first is the top-level schematic ID.
   2. The last goes only to the sheet ID.
   3. All in between use the numbering combination syntax to locate Block Symbol, e.g. $1|e2, where $1 is the sheet ID and e2 is the Block Symbol ID.
4. client: terminal identifier for eventual consistency.

Attribute Override

{ "type": "INSTANCE_ATTR", "id": "e176",  "ticket": 1 }||data

1. type INSTANCE_ATTR instance attribute override.
2. id primitive ID.
3. data attribute override, data signature is { [parentId: string]: { [key: string]: string }| }|

{ "type": "DOCHEAD" }||{ "docType": "INSTANCE", "uuid": "SCH-UNIQUE-ID_$5|e100_$1|e55_$6|e15_$8", "client": "clientID" }|
{ "type": "INSTANCE_ATTR", "id": "e176",  "ticket": 1 }||{ "Designator": "U15", "ASDF": "1234" }|
{ "type": "INSTANCE_ATTR", "id": "e176e5",  "ticket": 1 }||{ "NUMBER": 2 }|
{ "type": "INSTANCE_ATTR", "id": "e178",  "ticket": 1 }||{ "Author": "abc" }|