Step By Step - Easy Guide On LSMW (For Beginners) With Example - Page 4.


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STEP 3: Maintain Source Structures


In the step ‘Maintain Source Structures’ you define the structures of the object with name, description and the hierarchical relationships:

Click on Change button. You can now define, change, reassign or delete structures. All these functions are available via pushbuttons.

When you define more than one structure, a popup is displayed querying the relations between the structures: equal/subordinate?

Note: For migration objects created via transaction recording, you may only define one structure per recording, since only one flat target structure per recording is available.



STEP 4: Maintain Source Fields


In the step ‘Maintain Source Fields’, fields are created and maintained for the source structure defined in the preceding step.

Use source fieldnames with the same names as the target fieldnames as much as possible, because it allows you to use the ‘auto-field mapping’ function in step 5 ‘Maintain field mapping and conversion rules’.


Different possible ways of defining and maintaining the source fields:

Make sure that you are in change mode and the cursor is positioned on a source structure or an existing source field

  • Create Individual source fields - By clicking on the button ‘Create source field’ you can specify the field name, field label, field length and field type

During data read, you can specify whether date values are converted into the internal date format (YYYYMMDD) and amount fields are converted into the calculation format (1234.56)

‘Selection Parameter’ can be set during Read/Convert data. If you select this indicator, the corresponding field is made available as selection parameter when reading or converting data.

  • Maintain Source Fields in Table Form – Clicking on the ‘Table Maintenance’ button displays the fields in a tabular format.

Click On the button as shown above and enter the following details






Click On Save and return back to the initial Screen.


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Step By Step Explained in Detail. 
(Import Method - Batch Input Recording)

STEP 1: Create Project / Sub-Project / Object

STEP 2: Maintain Object Attributes: Select Maintain Object Attributes and Execute

STEP 3: Maintain Source Structures

STEP 4: Maintain Source Fields

STEP 5: Maintain Structure Relations

STEP 6: Maintain Field Mapping and Conversion Rules

STEP 7: Maintain Fixed Values, Translations, User Defined Routines

STEP 8: Specify Files

STEP 9: Assign Files

STEP 10: Read Data

STEP 11: Display Read Data

STEP 12: Convert Data

STEP 13: Display Converted Data

STEP 14: Create Batch Input Session