Hello. Using the Dynamics Web API, I'd like to create a Post entity associated with a Lead. The part I'm struggling with is how to associate it with the Lead. I have the Lead GUID. I've tried specifying the Lead ID using various combinations such as "postregardingid", "regardingobjectid_lead@odata.bind", "regardingobjectid_lead", "_regardingobjectid_value" and several others. I just get various errors usually about it being an undeclared property. The SDK (which I'm not using) appears to link Posts to objects via the property "RegardingObjectId" (see here). I'm not sure what the equivalent is when using the Web API. Any suggestions or examples of working code would be very appreciated.
Thank you,
Ben
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