# system.kanoa.operators.addCrewMember(crewMemberInfo, userId)

Adds a user to a crew as of startDate. Does not automatically close any other open membership
this user has on a different crew - call removeCrewMember first if they're moving crews.

---
### Parameters
**crewMemberInfo** `Dictionary`<br />
<table class='dictionaryKeyTable'>
	<tbody>
 	<tr><td> - crewId</td><td>Integer</td><td></td></tr>	
 	<tr><td> - endDate</td><td>String</td><td>optional</td></tr>	
 	<tr><td> - startDate</td><td>String</td><td></td></tr>	
 	<tr><td> - userId</td><td>Integer</td><td>the sec.user being added to the crew</td></tr>	
	</tbody>
</table>

**userId** `Integer`: the actor performing this action (createdBy)<br />

---
### Returns
**crewMemberId** `Integer` the new membership's id on success, None on failure<br />
**message** `String` None on success, an error message on failure<br />

---
### Example
```python
crewMemberInfo = {'crewId': 5, 'userId': 3, 'startDate': system.date.now()}
userId = 12
rowsAffected, message = system.kanoa.operators.addCrewMember(sessionInfo, userId)
```