Creating a strong campaign brief for influencers is a crucial step in influencer marketing, it provides a focus for the campaign and ensures everyone involved understands their roles and expectations. Similar to a traditional marketing brief, an influencer campaign brief includes objectives, target audience details, key messages, deliverables, and timelines.

1. Define the Campaign Objectives: Clearly outline what you aim to achieve with the campaign. The objectives could range from raising brand awareness, promoting a new product, to increasing website traffic.

2. Identify the Target Audience: Define the demographics, interests, and behaviors of the target audience. This will help to identify the right influencers who appeal to this segment.

3. Convey the Key Messages: All influencers ought to promote the same key messages during the campaign. Consistent messaging reinforces brand awareness and recognition.

4. Outline the Deliverables: Specify the kind of content the influencer will create, how often, on which platforms, and any mandatory elements like hashtags or tags.

5. Set a Timeline: Communicate when the campaign should start and end, plus any important dates for content release or campaign milestones.

Now, influencer marketing platforms like Flinque, AspireIQ, and Upfluence can streamline the process of briefing influencers by integrating all these aspects into a single platform.

Flinque, for example, provides tools for influencer discovery and audience analytics which can be crucial in identifying the right influencers and target audience. The choice of platform ultimately depends on the team needs. However, regardless of the platform chosen, a well-structured brief significantly contributes to campaign success by keeping influencers informed and focused.