Release 10.1A: OpenEdge Development:
Progress Dynamics Basic Development

> ## Field security

> When you create SDOs, viewers, and other application objects, you define which fields are updateable and which are not. This provides a default security behavior for your application. However, you might want to modify this default behavior for particular users, groups, or companies. To do this, you define field security.

> Note: Progress Dynamics does not support security against simple text widgets. If you want to secure static text you can create a fill-in widget, enter the text as an initial value, and set the `VIEW-AS-TEXT` property to true.

> Security allocations of this type have the following effects:

> - Revoke model — By default, Progress Dynamics allows access to all fields defined in the security system. Depending on the mode of field security (Full-Access, Read-Only, Hidden), the user will experience some limitation with the field.

> - Grant model — Allows a user or group to interact with an application field that has been set up in the security system. By default, Progress Dynamics limits all users access to the field, depending on the mode of the field security. This does not affect all application fields; only those that have a security structure defined.

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