This section gives the syntax and other information of the following COBOL-UAP creation programs which are used as OpenTP1-specific transaction control:

• CBLDCTRN('BEGIN ') - Start a transaction
• CBLDCTRN('C-COMMIT ') - Enable commitment in chained mode
• CBLDCTRN('C-ROLL ') - Enable rollback in chained mode
• CBLDCTRN('INFO ') - Report the information about the current transaction
• CBLDCTRN('U-COMMIT ') - Enable commitment in unchained mode
• CBLDCTRN('U-ROLL ') - Enable rollback in unchained mode

The COBOL-UAP creation programs for transaction control (CBLDCTRN) can be used in UAPs of both TP1/Server Base and TP1/LiNK.

When defining DATA DIVISION of COBOL-UAP creation programs, the COBOL language templates can be used as samples. The COBOL language template for transaction control (CBLDCTRN) is stored in DCTRN.cbl under the /BeTRAN/examples/COBOL/ directory.