isValidCode

<?xml version="1.0" encoding="UTF-8"?>
<ONEDATA_REQUEST>
<REPOSITORYID></REPOSITORYID>
<CLIENTID></ CLIENTID>
<PROJECTID></ PROJECTID>
<SCHEMAID></SCHEMAID>
<USERID></USERID>
<PASSWORD></PASSWORD>
<ENTITYNAME></ENTITYNAME>
<TABLENAME></TABLENAME>
<COLUMN>
<NAME></NAME>
<VALUE></VALUE>
</COLUMN>
</ONEDATA_REQUEST>

REPOSITORYID	Optional. ID of the repository in which the entity or table resides. If you do not provide the ID, the ID of the first repository from the list of available repositories is used by default. This parameter is case sensitive.
ENTITYNAME	Optional. Logical name of the object in OneData. (Required if TABLENAME is not provided.)
TABLENAME	Optional. Physical table name of the object. (Required if ENTITYNAME is not provided.)
CLIENTID	Optional. Client ID if more than one client is defined in the metadata.
PROJECTID	Optional. Project ID if more than one project is defined for the client in the metadata.
SCHEMAID	Optional. Whether the data is retrieved from the work area or the release area where there is a dual schema landscape.
USERID PASSWORD	Optional. ID/service layer security password of the user calling this web service. To be provided if service layer security is enabled.
COLUMN NAME VALUE	The COLUMN tag must contain the NAME (name of the column) and VALUE (value of the column) tags. Required. NAME tag is optional if the column is primary key column.