Column key
Displays the column key. The key is required to define a sort order based on this column.
Note: You cannot change the key of this column.
This element has the following attributes:
| Data type | Multiplicity | Usage | Default value |
| xs:token | 1...1 | required | none |
/Basic bioassay protocol/Reportable values/Document reference/
/Combination of independent assay results/Setup/Potency data/Column: Document reference/
/Equivalence margin development (Quantitative response assays)/Data table/Column: Exclude assay/
/Quantitative response assay/Setup/Observation data/Column: Document reference/
