# For some EntityInstance, how do I get the id from the STEP file?

 1. [FAQ](/faq)
2. »
3. [STEP](/faq/step)

### You can get OdDAIObjectId of an entity instance and then get a # from it if needed:

```

<span style="background:white"><span style="font-size:10pt"><span style="background:white"><span style="font-family:"Courier New""><code style="font-family:"Courier New""><span lang="EN-US" style="font-family:Consolas"><span style="color:#212529">OdDAI::ApplicationInstance pInst = ...; // arbitrary instance of SDAI Model</span></span></code></span></span></span></span>
```

```

<span style="background:white"><span style="font-size:10pt"><span style="background:white"><span style="font-family:"Courier New""><code style="font-family:"Courier New""><span lang="EN-US" style="font-family:Consolas"><span style="color:#212529">OdDAIObjectId id = pInst->id();</span></span></code></span></span></span></span>
```

```

<span style="background:white"><span style="font-size:10pt"><span style="background:white"><span style="font-family:"Courier New""><code style="font-family:"Courier New""><span lang="EN-US" style="font-family:Consolas"><span style="color:#212529">OdDbHandle h = id.getHandle();</span></span></code></span></span></span></span>
```

```


 
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