If you want to create the main program for an infotype, proceed as follows:
You access the Create Infotype screen.
When you specify the infotype number, please remember to enter any leading zeros.
The Dictionary: Initial screen appears:

If you require further information on the structure and task of individual objects, please refer to the section
If you require information on how to use the Data Dictionary, please refer to BC - ABAP Dictionary.
This creates the structure
Pnnnn and the database tables for your infotype.If you have flagged Employee Infotype for your infotype, table
If you have flagged Applicant Infotype for your infotype, table
PBnnnn is created.If you want to use your infotype within Personnel Administration and Recruitment, both tables are created.
The following sub-objects are also created for your infotype:
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MPnnnn10 Include for module pool MPnnnn00–
MPnnnn20 Include for module pool MPnnnn00–
MPnnnn30 Include for module pool MPnnnn00–
MPnnnn40 Include for module pool MPnnnn00See also:
Module Pool for an Infotype– MPnnnn00 1000 Initial screen for infotype nnnn
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MPnnnn00 2000 Single screen for infotype nnnn–
MPnnnn00 3000 List screen for infotype nnnnSee also:
Screens for an InfotypeThe system creates an interface that contains all of the interface statuses required. A list of interface statuses is included in the section Interface Status for an Infotype.
Result: You have created an infotype.

Make the required settings to table T582A in Customizing for Personnel Administration.
See also:
Maintaining Infotype Characteristics

Creating infotypes with name range enhancement:
Note the following information when creating infotypes and proceed as follows: