BEA SWIFT Adapter - Manual (Page 27)

3. Select Block Delimited in Sequence Delimiter. Select the Mandatory and
Repeating properties of the sequence as per the specification.
4. The Start Of Block and End Of Block text fields are automatically populated
with values 16R and 16S and the corresponding formats are populated with value
16c when the Sequence Delimiter is specified in the step above. They can be
modified if required.
5. Enter the code (In case of block delimited sequence, only if you give Code you
will be able to add the sequence, so Code is mandatory not optional) in the Code
text field. Click OK.
6. The sequence is added to the format as below.