The following group codes are used by FIELD objects.
FIELD group codes
Group code
Description
0
Object name (ACAD_FIELD)
1
Evaluator ID
2
Field code string
3
Overflow of field code string
90
Number of child fields
360
Child field ID (AcDbHardOwnershipId); repeats for number of children
97
Number of object IDs used in the field code
331
Object ID used in the field code (AcDbSoftPointerId); repeats for the number of object IDs used in the field code
93
Number of the data set in the field
6
Key string for the field data; a key-field pair is repeated for the number of data sets in the field
7
Key string for the evaluated cache; this key is hard-coded as ACFD_FIELD_VALUE
Data type of field value
91
Long value (if data type of field value is long)
140
Double value (if data type of field value is double)
330
ID value, AcDbSoftPointerId (if data type of field value is ID)
92
Binary data buffer size (if data type of field value is binary)
310
Binary data (if data type of field value is binary)
301
Format string
9
Overflow of format string
98
Length of format string