# Naming standards - Domain Model

<table><thead><tr><th width="138">Check ID</th><th>DOM_0007</th></tr></thead><tbody><tr><td>Category</td><td>Standards</td></tr><tr><td>Summary</td><td>This check will compare the name of your domain model elements to the naming standards you set. By default the Mendix Best Practices for Developers are used. </td></tr><tr><td>Options</td><td>This is a complex check that has many different options. See the tables below for all available options. In all cases where a name format is specified the following configuration options apply:<br><br>- Use a regex in the format supported by the Mendix isMatch() string function.<br>- In some cases (described in the table below) additional variables may be used such as %UserRole%, %EntityName%, %AttributeName%, etc.<br>- In all cases where a regex is used as an option, if you leave it empty the check will be ignored.</td></tr><tr><td>Pass</td><td>The name of the element matches your standard.</td></tr><tr><td>Fail</td><td>The name of the element does not match your standard.</td></tr></tbody></table>

### Domain Model

<table><thead><tr><th width="182">Option Name</th><th>Details</th></tr></thead><tbody><tr><td>Association Names</td><td>If TRUE, associations should contain the name of the associated entities. Default: TRUE.</td></tr><tr><td>Attribute Names</td><td>If TRUE, attributes names should not start with their entity name. Default: TRUE.</td></tr><tr><td>Calculated Attribute Microflow</td><td>Regex to match calculated attribute names. The variables %EntityName% and %AttributeName% may be used. Default: CAL_%EntityName%_%AttributeName%</td></tr><tr><td>Entity Names</td><td>If TRUE, entity names should be unique across the project. Default: TRUE.</td></tr></tbody></table>

### Event Handlers <a href="#id-69.mxom_checks.policycheck.groupbox1_psj_171_header" id="id-69.mxom_checks.policycheck.groupbox1_psj_171_header"></a>

<table><thead><tr><th width="256">Option Name</th><th>Details</th></tr></thead><tbody><tr><td>Before Commit</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: BCO_%EntityName%</td></tr><tr><td>After Commit</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: ACO_%EntityName%</td></tr><tr><td>Before Create</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: BCR_%EntityName%</td></tr><tr><td>After Create</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: ACR_%EntityName%</td></tr><tr><td>Before Delete</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: BDE_%EntityName%</td></tr><tr><td>After Delete</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: ADE_%EntityName%</td></tr><tr><td>Before Rollback</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: BRO_%EntityName%</td></tr><tr><td>After Rollback</td><td>Regex to match the event handler. The variable %EntityName% may be used. Default: ARO_%EntityName%</td></tr></tbody></table>