C# office 365 powershell

I want to add two properties on property bag on one sharepoint site as below

Site_Status=Low

Site_ExpirationDate="5/5/2018"

i need script to put both properties to crawl property and than assign managed property to it and once it is assigned need to search in search center like "Site_status:low" and it should give result back.

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Programación en C# Sharepoint

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